The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2299-1 advisory.

    Marek Kroemeke discovered that the mod_proxy module incorrectly handled certain requests. A remote     attacker could use this issue to cause the server to stop responding, leading to a denial of service. This     issue only affected Ubuntu 14.04 LTS. (CVE-2014-0117)

    Giancarlo Pellegrino and Davide Balzarotti discovered that the mod_deflate module incorrectly handled body     decompression. A remote attacker could use this issue to cause resource consumption, leading to a denial     of service. (CVE-2014-0118)

    Marek Kroemeke and others discovered that the mod_status module incorrectly handled certain requests. A     remote attacker could use this issue to cause the server to stop responding, leading to a denial of     service, or possibly execute arbitrary code. (CVE-2014-0226)

    Rainer Jung discovered that the mod_cgid module incorrectly handled certain scripts. A remote attacker     could use this issue to cause the server to stop responding, leading to a denial of service.
    (CVE-2014-0231)

Tenable has extracted the preceding description block directly from the Ubuntu 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 apache2 update fixes the following security issues :

  - fix for crash in mod_proxy processing specially crafted     requests with reverse proxy configurations that results     in a crash and a DoS condition for the server.
    CVE-2014-0117

  - new config option CGIDScriptTimeout set to 60s in new     file conf.d/cgid-timeout.conf, preventing worker     processes hanging forever if a cgi launched from them     has stopped reading input from the server (DoS).
    CVE-2014-0231

  - Fix for a NULL pointer dereference in mod_cache that     causes a crash in caching forwarding configurations,     resulting in a DoS condition. CVE-2013-4352

  - fix for crash in parsing cookie content, resulting in a     DoS against the server CVE-2014-0098

  - fix for mod_status race condition in scoreboard handling     and consecutive heap overflow and information disclosure     if access to mod_status is granted to a potential     attacker. CVE-2014-0226

  - fix for improper handling of whitespace characters from     CDATA sections to mod_dav, leading to a crash and a DoS     condition of the apache server process CVE-2013-6438

The remote Solaris system is missing necessary patches to address security updates :

  - The cache_invalidate function in     modules/cache/cache_storage.c in the mod_cache module in     the Apache HTTP Server 2.4.6, when a caching forward     proxy is enabled, allows remote HTTP servers to cause a     denial of service (NULL pointer dereference and daemon     crash) via vectors that trigger a missing hostname     value. (CVE-2013-4352)

  - The mod_proxy module in the Apache HTTP Server 2.4.x     before 2.4.10, when a reverse proxy is enabled, allows     remote attackers to cause a denial of service     (child-process crash) via a crafted HTTP Connection     header. (CVE-2014-0117)

  - The deflate_in_filter function in mod_deflate.c in the     mod_deflate module in the Apache HTTP Server before     2.4.10, when request body decompression is enabled,     allows remote attackers to cause a denial of service     (resource consumption) via crafted request data that     decompresses to a much larger size. (CVE-2014-0118)

  - Race condition in the mod_status module in the Apache     HTTP Server before 2.4.10 allows remote attackers to     cause a denial of service (heap-based buffer overflow),     or possibly obtain sensitive credential information or     execute arbitrary code, via a crafted request that     triggers improper scoreboard handling within the     status_handler function in     modules/generators/mod_status.c and the     lua_ap_scoreboard_worker function in     modules/lua/lua_request.c. (CVE-2014-0226)

  - The mod_cgid module in the Apache HTTP Server before     2.4.10 does not have a timeout mechanism, which allows     remote attackers to cause a denial of service (process     hang) via a request to a CGI script that does not read     from its stdin file descriptor. (CVE-2014-0231)

Apache HTTP SERVER PROJECT reports : mod_proxy: Fix crash in Connection header handling which allowed a denial of service attack against a reverse proxy with a threaded MPM.

Fix a race condition in scoreboard handling, which could lead to a heap buffer overflow.

mod_deflate: The DEFLATE input filter (inflates request bodies) now limits the length and compression ratio of inflated request bodies to avoid denial of sevice via highly compressed bodies. See directives DeflateInflateLimitRequestBody, DeflateInflateRatioLimit, and DeflateInflateRatioBurst.

mod_cgid: Fix a denial of service against CGI scripts that do not consume stdin that could lead to lingering HTTPD child processes filling up the scoreboard and eventually hanging the server. By default, the client I/O timeout (Timeout directive) now applies to communication with scripts. The CGIDScriptTimeout directive can be used to set a different timeout for communication with scripts.

New httpd packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix security issues.

Updated httpd packages that fix multiple security issues are now available for Red Hat Enterprise Linux 7.

The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

A race condition flaw, leading to heap-based buffer overflows, was found in the mod_status httpd module. A remote attacker able to access a status page served by mod_status on a server using a threaded Multi-Processing Module (MPM) could send a specially crafted request that would cause the httpd child process to crash or, possibly, allow the attacker to execute arbitrary code with the privileges of the 'apache' user. (CVE-2014-0226)

A NULL pointer dereference flaw was found in the mod_cache httpd module. A malicious HTTP server could cause the httpd child process to crash when the Apache HTTP Server was used as a forward proxy with caching. (CVE-2013-4352)

A denial of service flaw was found in the mod_proxy httpd module. A remote attacker could send a specially crafted request to a server configured as a reverse proxy using a threaded Multi-Processing Modules (MPM) that would cause the httpd child process to crash.
(CVE-2014-0117)

A denial of service flaw was found in the way httpd's mod_deflate module handled request body decompression (configured via the 'DEFLATE' input filter). A remote attacker able to send a request whose body would be decompressed could use this flaw to consume an excessive amount of system memory and CPU on the target system.
(CVE-2014-0118)

A denial of service flaw was found in the way httpd's mod_cgid module executed CGI scripts that did not read data from the standard input. A remote attacker could submit a specially crafted request that would cause the httpd child process to hang indefinitely. (CVE-2014-0231)

All httpd users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the httpd daemon will be restarted automatically.

This update includes the latest stable release of the Apache HTTP Server, httpd 2.4.10, fixing a number of security issues.

http://www.apache.org/dist/httpd/Announcement2.4.html

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.

The remote host is running a version of Mac OS X 10.10.x that is prior to 10.10.3. It is, therefore, affected multiple vulnerabilities in the following components :

  - Admin Framework
  - Apache
  - ATS
  - Certificate Trust Policy
  - CFNetwork HTTPProtocol
  - CFNetwork Session
  - CFURL
  - CoreAnimation
  - FontParser
  - Graphics Driver
  - Hypervisor
  - ImageIO
  - IOHIDFamily
  - Kernel
  - LaunchServices
  - libnetcore
  - ntp
  - Open Directory Client
  - OpenLDAP
  - OpenSSL
  - PHP
  - QuickLook
  - SceneKit
  - ScreenSharing
  - Security - Code SIgning
  - UniformTypeIdentifiers
  - WebKit

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2014-0921 advisory.

    - mod_cgid: add security fix for CVE-2014-0231 (#1120607)
    - mod_proxy: add security fix for CVE-2014-0117 (#1120607)
    - mod_deflate: add security fix for CVE-2014-0118 (#1120607)
    - mod_status: add security fix for CVE-2014-0226 (#1120607)

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 includes the latest stable release of the Apache HTTP Server, httpd 2.4.10.

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.

Updated apache packages fix security vulnerabilities :

Apache HTTPD before 2.4.9 was vulnerable to a denial of service in mod_dav when handling DAV_WRITE requests (CVE-2013-6438).

Apache HTTPD before 2.4.9 was vulnerable to a denial of service when logging cookies (CVE-2014-0098).

A race condition flaw, leading to heap-based buffer overflows, was found in the mod_status httpd module. A remote attacker able to access a status page served by mod_status on a server using a threaded Multi-Processing Module (MPM) could send a specially crafted request that would cause the httpd child process to crash or, possibly, allow the attacker to execute arbitrary code with the privileges of the apache user (CVE-2014-0226).

A denial of service flaw was found in the mod_proxy httpd module. A remote attacker could send a specially crafted request to a server configured as a reverse proxy using a threaded Multi-Processing Modules (MPM) that would cause the httpd child process to crash (CVE-2014-0117).

A denial of service flaw was found in the way httpd's mod_deflate module handled request body decompression (configured via the DEFLATE input filter). A remote attacker able to send a request whose body would be decompressed could use this flaw to consume an excessive amount of system memory and CPU on the target system (CVE-2014-0118).

A denial of service flaw was found in the way httpd's mod_cgid module executed CGI scripts that did not read data from the standard input. A remote attacker could submit a specially crafted request that would cause the httpd child process to hang indefinitely (CVE-2014-0231).

A NULL pointer dereference flaw was found in the way the mod_cache httpd module handled Content-Type headers. A malicious HTTP server could cause the httpd child process to crash when the Apache HTTP server was configured to proxy to a server with caching enabled (CVE-2014-3581).

mod_lua.c in the mod_lua module in the Apache HTTP Server through 2.4.10 does not support an httpd configuration in which the same Lua authorization provider is used with different arguments within different contexts, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging multiple Require directives, as demonstrated by a configuration that specifies authorization for one group to access a certain directory, and authorization for a second group to access a second directory (CVE-2014-8109).

In the mod_lua module in the Apache HTTP Server through 2.4.10, a maliciously crafted websockets PING after a script calls r:wsupgrade() can cause a child process crash (CVE-2015-0228).

A flaw was found in the way httpd handled HTTP Trailer headers when processing requests using chunked encoding. A malicious client could use Trailer headers to set additional HTTP headers after header processing was performed by other modules. This could, for example, lead to a bypass of header restrictions defined with mod_headers (CVE-2013-5704).

Note: With this update, httpd has been modified to not merge HTTP Trailer headers with other HTTP request headers. A newly introduced configuration directive MergeTrailers can be used to re-enable the old method of processing Trailer headers, which also re-introduces the aforementioned flaw.

This update also fixes the following bug :

Prior to this update, the mod_proxy_wstunnel module failed to set up an SSL connection when configured to use a back end server using the wss: URL scheme, causing proxied connections to fail. In these updated packages, SSL is used when proxying to wss: back end servers (rhbz#1141950).

The remote host is running a version of Mac OS X 10.8.5 or 10.9.5 that is missing Security Update 2015-004. It is, therefore, affected multiple vulnerabilities in the following components :

  - Apache
  - ATS
  - Certificate Trust Policy
  - CoreAnimation
  - FontParser
  - Graphics Driver
  - ImageIO
  - IOHIDFamily
  - Kernel
  - LaunchServices
  - Open Directory Client
  - OpenLDAP
  - OpenSSL
  - PHP
  - QuickLook
  - SceneKit
  - Security - Code SIgning
  - UniformTypeIdentifiers

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
76757	Ubuntu 14.04 LTS : Apache HTTP Server vulnerabilities (USN-2299-1)	Nessus	Ubuntu Local Security Checks	2014/7/24	2025/9/3	high
77292	openSUSE Security Update : apache2 (openSUSE-SU-2014:1044-1)	Nessus	SuSE Local Security Checks	2014/8/21	2021/1/19	medium
80589	Oracle Solaris Third-Party Patch Update : apache (multiple_denial_of_service_dos5)	Nessus	Solaris Local Security Checks	2015/1/19	2021/1/14	medium
76614	FreeBSD : apache24 -- several vulnerabilities (4364e1f1-0f44-11e4-b090-20cf30e32f6d)	Nessus	FreeBSD Local Security Checks	2014/7/21	2021/1/6	medium
76712	Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : httpd (SSA:2014-204-01)	Nessus	Slackware Local Security Checks	2014/7/24	2021/1/14	medium
76716	CentOS 7 : httpd (CESA-2014:0921)	Nessus	CentOS Local Security Checks	2014/7/24	2021/1/4	medium
77207	Fedora 19 : httpd-2.4.10-1.fc19 (2014-9057)	Nessus	Fedora Local Security Checks	2014/8/15	2021/1/11	medium
82699	Mac OS X 10.10.x < 10.10.3 Multiple Vulnerabilities (FREAK)	Nessus	MacOS X Local Security Checks	2015/4/10	2024/5/28	critical
76745	Oracle Linux 7 : httpd (ELSA-2014-0921)	Nessus	Oracle Linux Local Security Checks	2014/7/24	2024/10/22	high
76852	Fedora 20 : httpd-2.4.10-1.fc20 (2014-8742)	Nessus	Fedora Local Security Checks	2014/7/26	2021/1/11	medium
76905	RHEL 7 : httpd (RHSA-2014:0921)	Nessus	Red Hat Local Security Checks	2014/7/30	2021/1/14	medium
82346	Mandriva Linux Security Advisory : apache (MDVSA-2015:093)	Nessus	Mandriva Local Security Checks	2015/3/30	2021/1/14	medium
82700	Mac OS X Multiple Vulnerabilities (Security Update 2015-004) (FREAK)	Nessus	MacOS X Local Security Checks	2015/4/10	2024/5/28	critical

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