Updated httpd packages that fix multiple security issues are now available for Red Hat Enterprise Linux 3 and 5.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

The Apache HTTP Server is a popular Web server.

A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure Sockets Layer) protocols handle session renegotiation.
A man-in-the-middle attacker could use this flaw to prefix arbitrary plain text to a client's session (for example, an HTTPS connection to a website). This could force the server to process an attacker's request as if authenticated using the victim's credentials. This update partially mitigates this flaw for SSL sessions to HTTP servers using mod_ssl by rejecting client-requested renegotiation.
(CVE-2009-3555)

Note: This update does not fully resolve the issue for HTTPS servers.
An attack is still possible in configurations that require a server-initiated renegotiation. Refer to the following Knowledgebase article for further information:
http://kbase.redhat.com/faq/docs/DOC-20491

A NULL pointer dereference flaw was found in the Apache mod_proxy_ftp module. A malicious FTP server to which requests are being proxied could use this flaw to crash an httpd child process via a malformed reply to the EPSV or PASV commands, resulting in a limited denial of service. (CVE-2009-3094)

A second flaw was found in the Apache mod_proxy_ftp module. In a reverse proxy configuration, a remote attacker could use this flaw to bypass intended access restrictions by creating a carefully-crafted HTTP Authorization header, allowing the attacker to send arbitrary commands to the FTP server. (CVE-2009-3095)

All httpd users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

This update of the Apache webserver fixes various security issues :

  - the option IncludesNOEXEC could be bypassed via     .htaccess. (CVE-2009-1195)

  - mod_proxy could run into an infinite loop when used as     reverse proxy. (CVE-2009-1890)

  - mod_deflate continued to compress large files even after     a network connection was closed, causing mod_deflate to     consume large amounts of CPU. (CVE-2009-1891)

  - The ap_proxy_ftp_handler function in     modules/proxy/proxy_ftp.c in the mod_proxy_ftp module     allows remote FTP servers to cause a denial of service     (NULL pointer dereference and child process crash) via a     malformed reply to an EPSV command. (CVE-2009-3094)

  - access restriction bypass in mod_proxy_ftp module.
    (CVE-2009-3095)

Also a incompatibility between mod_cache and mod_rewrite was fixed.

The remote host is running a version of Mac OS X 10.6.x that is prior to 10.6.3.

Mac OS X 10.6.3 contains security fixes for the following products :

  - AFP Server
  - Apache
  - CoreAudio
  - CoreMedia
  - CoreTypes
  - CUPS
  - DesktopServices
  - Disk Images
  - Directory Services
  - Dovecot
  - Event Monitor
  - FreeRADIUS
  - FTP Server
  - iChat Server
  - ImageIO
  - Image RAW
  - Libsystem
  - Mail
  - MySQL
  - OS Services
  - Password Server
  - PHP
  - Podcast Producer
  - Preferences
  - PS Normalizer
  - QuickTime
  - Ruby
  - Server Admin
  - SMB
  - Tomcat
  - Wiki Server
  - X11

The remote host is running a version of Mac OS X 10.5 that does not have Security Update 2010-002 applied.

This security update contains fixes for the following products :

  - AppKit
  - Application Firewall
  - AFP Server
  - Apache
  - ClamAV
  - CoreTypes
  - CUPS
  - curl
  - Cyrus IMAP
  - Cyrus SASL
  - Disk Images
  - Directory Services
  - Event Monitor
  - FreeRADIUS
  - FTP Server
  - iChat Server
  - Image RAW
  - Libsystem
  - Mail
  - Mailman
  - OS Services
  - Password Server
  - perl
  - PHP
  - PS Normalizer
  - Ruby
  - Server Admin
  - SMB
  - Tomcat
  - unzip
  - vim
  - Wiki Server
  - X11
  - xar

Multiple vulnerabilities has been found and corrected in apache :

Memory leak in the zlib_stateful_init function in crypto/comp/c_zlib.c in libssl in OpenSSL 0.9.8f through 0.9.8h allows remote attackers to cause a denial of service (memory consumption) via multiple calls, as demonstrated by initial SSL client handshakes to the Apache HTTP Server mod_ssl that specify a compression algorithm (CVE-2008-1678).
Note that this security issue does not really apply as zlib compression is not enabled in the openssl build provided by Mandriva, but apache is patched to address this issue anyway (conserns 2008.1 only).

mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows remote attackers to obtain sensitive response data, intended for a client that sent an earlier POST request with no request body, via an HTTP request (CVE-2009-1191).

Cross-site scripting (XSS) vulnerability in proxy_ftp.c in the mod_proxy_ftp module in Apache 2.0.63 and earlier, and mod_proxy_ftp.c in the mod_proxy_ftp module in Apache 2.2.9 and earlier 2.2 versions, allows remote attackers to inject arbitrary web script or HTML via wildcards in a pathname in an FTP URI (CVE-2008-2939). Note that this security issue was initially addressed with MDVSA-2008:195 but the patch fixing the issue was added but not applied in 2009.0.

The Apache HTTP Server 2.2.11 and earlier 2.2 versions does not properly handle Options=IncludesNOEXEC in the AllowOverride directive, which allows local users to gain privileges by configuring (1) Options Includes, (2) Options +Includes, or (3) Options +IncludesNOEXEC in a .htaccess file, and then inserting an exec element in a .shtml file (CVE-2009-1195).

The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests (CVE-2009-1890).

Fix a potential Denial-of-Service attack against mod_deflate or other modules, by forcing the server to consume CPU time in compressing a large file after a client disconnects (CVE-2009-1891).

The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command (CVE-2009-3094).

The mod_proxy_ftp module in the Apache HTTP Server allows remote attackers to bypass intended access restrictions and send arbitrary commands to an FTP server via vectors related to the embedding of these commands in the Authorization HTTP header, as demonstrated by a certain module in VulnDisco Pack Professional 8.11. NOTE: as of 20090903, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes (CVE-2009-3095).

Apache is affected by SSL injection or man-in-the-middle attacks due to a design flaw in the SSL and/or TLS protocols. A short term solution was released Sat Nov 07 2009 by the ASF team to mitigate these problems. Apache will now reject in-session renegotiation (CVE-2009-3555).

Packages for 2008.0 are provided for Corporate Desktop 2008.0 customers

This update provides a solution to these vulnerabilities.

Updated httpd packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

The Apache HTTP Server is a popular Web server.

A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure Sockets Layer) protocols handle session renegotiation.
A man-in-the-middle attacker could use this flaw to prefix arbitrary plain text to a client's session (for example, an HTTPS connection to a website). This could force the server to process an attacker's request as if authenticated using the victim's credentials. This update partially mitigates this flaw for SSL sessions to HTTP servers using mod_ssl by rejecting client-requested renegotiation.
(CVE-2009-3555)

Note: This update does not fully resolve the issue for HTTPS servers.
An attack is still possible in configurations that require a server-initiated renegotiation. Refer to the following Knowledgebase article for further information:
http://kbase.redhat.com/faq/docs/DOC-20491

A denial of service flaw was found in the Apache mod_deflate module.
This module continued to compress large files until compression was complete, even if the network connection that requested the content was closed before compression completed. This would cause mod_deflate to consume large amounts of CPU if mod_deflate was enabled for a large file. (CVE-2009-1891)

A NULL pointer dereference flaw was found in the Apache mod_proxy_ftp module. A malicious FTP server to which requests are being proxied could use this flaw to crash an httpd child process via a malformed reply to the EPSV or PASV commands, resulting in a limited denial of service. (CVE-2009-3094)

A second flaw was found in the Apache mod_proxy_ftp module. In a reverse proxy configuration, a remote attacker could use this flaw to bypass intended access restrictions by creating a carefully-crafted HTTP Authorization header, allowing the attacker to send arbitrary commands to the FTP server. (CVE-2009-3095)

All httpd users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2009-1579 advisory.

    [2.2.3-31.0.1.el5_4.2]
    - replace index.html with Oracle's index page oracle_index.html
    - update vstring and distro in specfile

    [2.2.3-31.2]
    - add security fixes for CVE-2009-3094, CVE-2009-3095, CVE-2009-3555 (#534041)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update of the Apache webserver fixes various security issues :

  - the option IncludesNOEXEC could be bypassed via     .htaccess (CVE-2009-1195) 

  - mod_proxy could run into an infinite loop when used as     reverse proxy (CVE-2009-1890) 

  - mod_deflate continued to compress large files even after     a network connection was closed, causing mod_deflate to     consume large amounts of CPU (CVE-2009-1891)

  - The ap_proxy_ftp_handler function in     modules/proxy/proxy_ftp.c in the mod_proxy_ftp module     allows remote FTP servers to cause a denial of service     (NULL pointer dereference and child process crash) via a     malformed reply to an EPSV command. (CVE-2009-3094)

  - access restriction bypass in mod_proxy_ftp module     (CVE-2009-3095)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2009-424:03 advisory.

    The Apache HTTP Server is a powerful, efficient, and extensible web server.
    Security bugs fixed with this release:
    CVE-2009-3094     The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache     HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer     dereference and child process crash) via a malformed reply to an EPSV command.
    CVE-2009-3095     The mod_proxy_ftp module in the Apache HTTP Server allows remote attackers to bypass intended access     restrictions and send arbitrary commands to an FTP server via vectors related to the embedding of these     commands in the Authorization HTTP header, as demonstrated by a certain module in VulnDisco Pack     Professional 8.11. NOTE: as of 20090903, this disclosure has no actionable information. However, because     the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for     tracking purposes.
    CVE-2009-3555     The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information     Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and earlier, OpenSSL before 0.9.8l, GnuTLS     2.8.5 and earlier, Mozilla Network Security Services (NSS) 3.12.4 and earlier, and other products, does     not properly associate renegotiation handshakes with an existing connection, which allows man-in-the-     middle attackers to insert data into HTTPS sessions, and possibly other types of sessions protected by TLS     or SSL, by sending an unauthenticated request that is processed retroactively by a server in a post-     renegotiation context, related to a plaintext injection attack, aka the Project Mogul issue.

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its banner, the version of Apache 2.2.x running on the remote host is prior to 2.2.14. It is, therefore, potentially affected by multiple vulnerabilities :

  - Faulty error handling in the Solaris pollset support     could lead to a denial of service. (CVE-2009-2699)

  - The 'mod_proxy_ftp' module allows remote attackers to     bypass intended access restrictions. (CVE-2009-3095)

  - The 'ap_proxy_ftp_handler' function in     'modules/proxy/proxy_ftp.c' in the 'mod_proxy_ftp'     module allows remote FTP servers to cause a     denial of service. (CVE-2009-3094)

Note that the remote web server may not actually be affected by these vulnerabilities as Nessus did not try to determine whether the affected modules are in use or check for the issues themselves.

New httpd packages are available for Slackware 12.0, 12.1, 12.2, 13.0, and -current to fix security issues.

From Red Hat Security Advisory 2009:1580 :

Updated httpd packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

The Apache HTTP Server is a popular Web server.

A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure Sockets Layer) protocols handle session renegotiation.
A man-in-the-middle attacker could use this flaw to prefix arbitrary plain text to a client's session (for example, an HTTPS connection to a website). This could force the server to process an attacker's request as if authenticated using the victim's credentials. This update partially mitigates this flaw for SSL sessions to HTTP servers using mod_ssl by rejecting client-requested renegotiation.
(CVE-2009-3555)

Note: This update does not fully resolve the issue for HTTPS servers.
An attack is still possible in configurations that require a server-initiated renegotiation. Refer to the following Knowledgebase article for further information:
http://kbase.redhat.com/faq/docs/DOC-20491

A denial of service flaw was found in the Apache mod_deflate module.
This module continued to compress large files until compression was complete, even if the network connection that requested the content was closed before compression completed. This would cause mod_deflate to consume large amounts of CPU if mod_deflate was enabled for a large file. (CVE-2009-1891)

A NULL pointer dereference flaw was found in the Apache mod_proxy_ftp module. A malicious FTP server to which requests are being proxied could use this flaw to crash an httpd child process via a malformed reply to the EPSV or PASV commands, resulting in a limited denial of service. (CVE-2009-3094)

A second flaw was found in the Apache mod_proxy_ftp module. In a reverse proxy configuration, a remote attacker could use this flaw to bypass intended access restrictions by creating a carefully-crafted HTTP Authorization header, allowing the attacker to send arbitrary commands to the FTP server. (CVE-2009-3095)

All httpd users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

According to its banner, the version of Apache 2.0.x running on the remote host is prior to 2.0.64. It is, therefore, affected by the following vulnerabilities :

  - An unspecified error exists in the handling of requests     without a path segment. (CVE-2010-1452)

  - Several modules, including 'mod_deflate', are     vulnerable to a denial of service attack as the     server can be forced to utilize CPU time compressing     a large file after client disconnect. (CVE-2009-1891)

  - An unspecified error exists in 'mod_proxy' related to     filtration of authentication credentials.     (CVE-2009-3095)  
  - A NULL pointer dereference issue exists in     'mod_proxy_ftp' in some error handling paths.
    (CVE-2009-3094)

  - An error exists in 'mod_ssl' making the server     vulnerable to the TLC renegotiation prefix injection     attack. (CVE-2009-3555)

  - An error exists in the handling of subrequests such     that the parent request headers may be corrupted.
    (CVE-2010-0434)

  - An error exists in 'mod_proxy_http' when handling excessive     interim responses making it vulnerable to a denial of     service attack. (CVE-2008-2364)

  - An error exists in 'mod_isapi' that allows the module     to be unloaded too early, which leaves orphaned callback     pointers. (CVE-2010-0425)

  - An error exists in 'mod_proxy_ftp' when wildcards are     in an FTP URL, which allows for cross-site scripting     attacks. (CVE-2008-2939)

Note that the remote web server may not actually be affected by these vulnerabilities.  Nessus did not try to determine whether the affected modules are in use or to check for the issues themselves.

This update of the Apache webserver fixes various security issues :

  - mod_proxy could run into an infinite loop when used as     reverse proxy. (CVE-2009-1890) 

  - mod_deflate continued to compress large files even after     a network connection was closed, causing mod_deflate to     consume large amounts of CPU. (CVE-2009-1891)

  - The ap_proxy_ftp_handler function in     modules/proxy/proxy_ftp.c in the mod_proxy_ftp module     allows remote FTP servers to cause a denial of service     (NULL pointer dereference and child process crash) via a     malformed reply to an EPSV command. (CVE-2009-3094)

  - access restriction bypass in mod_proxy_ftp module.
    (CVE-2009-3095)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
67073	CentOS 3 / 5 : httpd (CESA-2009:1579)	Nessus	CentOS Local Security Checks	2013/6/29	2021/1/4	high
49826	SuSE 10 Security Update : Apache 2 (ZYPP Patch Number 6572)	Nessus	SuSE Local Security Checks	2010/10/11	2021/1/14	high
45372	Mac OS X 10.6.x < 10.6.3 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	2010/3/29	2024/5/28	critical
45373	Mac OS X Multiple Vulnerabilities (Security Update 2010-002)	Nessus	MacOS X Local Security Checks	2010/3/29	2024/5/28	critical
43042	Mandriva Linux Security Advisory : apache (MDVSA-2009:323)	Nessus	Mandriva Local Security Checks	2009/12/8	2021/1/6	high
67074	CentOS 4 : httpd (CESA-2009:1580)	Nessus	CentOS Local Security Checks	2013/6/29	2021/1/4	high
67958	Oracle Linux 5 : httpd (ELSA-2009-1579)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	critical
42245	openSUSE Security Update : apache2 (apache2-1419)	Nessus	SuSE Local Security Checks	2009/10/26	2021/1/14	high
42319	openSUSE 10 Security Update : apache2 (apache2-6576)	Nessus	SuSE Local Security Checks	2009/10/30	2021/1/14	high
283981	MiracleLinux 3 : httpd-2.2.3-31.2.1AXS3 (AXSA:2009-424:03)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	critical
42052	Apache 2.2.x < 2.2.14 Multiple Vulnerabilities	Nessus	Web Servers	2009/10/7	2018/11/15	high
44120	Slackware 12.0 / 12.1 / 12.2 / 13.0 / current : httpd (SSA:2010-024-01)	Nessus	Slackware Local Security Checks	2010/1/25	2021/1/14	high
67959	Oracle Linux 4 : httpd (ELSA-2009-1580)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2021/1/14	high
50069	Apache 2.0.x < 2.0.64 Multiple Vulnerabilities	Nessus	Web Servers	2010/10/20	2018/6/29	high
42243	SuSE9 Security Update : Apache 2 (YOU Patch Number 12526)	Nessus	SuSE Local Security Checks	2009/10/26	2021/1/14	high

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