Multiple vulnerabilities was discovered and corrected in apache :

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).

This update provides a solution to these vulnerabilities.

This update contains the latest stable release of Apache httpd. Three security fixes are included, along with several minor bug fixes. 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 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) See the upstream changes file for further information: http://www.apache.org/dist/httpd/CHANGES_2.2.14

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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.

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.

According to its banner, the version of Apache 2.2 installed on the remote host is older than 2.2.14.  Such versions are potentially affected by multiple vulnerabilities : 

  - Faulty error handling in the Solaris pollset support (Event Port backend) which could trigger hangs in the prefork and event MPMs on that platform (CVE-2009-2699)

  - 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 via a malformed reply to an EPSV command. (CVE-2009-3094)

  - The 'mod_proxy_ftp' module allows remote attackers to bypass intended access restrictions and send arbitrary commands to an FTP server. (CVE-2009-3095)

NNM cannot determine whether the affected module is in use.

According to its banner, the version of Apache 2.2 installed on the remote host is older than 2.2.14.  Such versions are potentially affected by multiple vulnerabilities : 

  - Faulty error handling in the Solaris pollset support (Event Port backend) which could trigger hangs in the prefork and event MPMs on that platform (CVE-2009-2699)

  - 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 via a malformed reply to an EPSV command. (CVE-2009-3094)

  - The 'mod_proxy_ftp' module allows remote attackers to bypass intended access restrictions and send arbitrary commands to an FTP server. (CVE-2009-3095)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
41049	Mandriva Linux Security Advisory : apache (MDVSA-2009:240)	Nessus	Mandriva Local Security Checks	2009/9/23	2021/1/6	high
47168	Fedora 11 : httpd-2.2.14-1.fc11 (2009-12747)	Nessus	Fedora Local Security Checks	2010/7/1	2021/1/11	high
42052	Apache 2.2.x < 2.2.14 Multiple Vulnerabilities	Nessus	Web Servers	2009/10/7	2018/11/15	high
67958	Oracle Linux 5 : httpd (ELSA-2009-1579)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	critical
5196	Apache < 2.2.14 Multiple Vulnerabilities	Nessus Network Monitor	Web Servers	2009/10/6	2019/3/6	medium
800574	Apache < 2.2.14 Multiple Vulnerabilities	Log Correlation Engine	Web Servers	2009/10/6		high

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