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Red Hat Product Errata RHSA-2010:0011 - Security Advisory
Issued:
2010-01-06
Updated:
2010-01-06

RHSA-2010:0011 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: httpd and httpd22 security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated httpd and httpd22 packages that fix multiple security issues are
now available for JBoss Enterprise Web Server 1.0.0 for Red Hat Enterprise
Linux 4 and 5.

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

Description

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 users of JBoss Enterprise Web Server 1.0.0 should upgrade to these
updated packages, which contain backported patches to correct these issues.
After installing the updated packages, Red Hat Enterprise Linux 4 users
must restart the httpd22 service, and Red Hat Enterprise Linux 5 users must
restart the httpd service, for the update to take effect.

Solution

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

  • JBoss Enterprise Web Server 1 for RHEL 5 x86_64
  • JBoss Enterprise Web Server 1 for RHEL 5 i386

Fixes

  • BZ - 521619 - CVE-2009-3094 httpd: NULL pointer defer in mod_proxy_ftp caused by crafted EPSV and PASV reply
  • BZ - 522209 - CVE-2009-3095 httpd: mod_proxy_ftp FTP command injection via Authorization HTTP header
  • BZ - 533125 - CVE-2009-3555 TLS: MITM attacks via session renegotiation

CVEs

  • CVE-2009-3094
  • CVE-2009-3095
  • CVE-2009-3555

References

  • http://www.redhat.com/security/updates/classification/#moderate
  • http://kbase.redhat.com/faq/docs/DOC-20491
Note: More recent versions of these packages may be available. Click a package name for more details.

JBoss Enterprise Web Server 1 for RHEL 5

SRPM
httpd-2.2.10-11.ep5.el5.src.rpm SHA-256: 56bc289128f436cd3d82a0ad46eab512cf781fcdf8c44a81866113b1625001e1
x86_64
httpd-2.2.10-11.ep5.el5.x86_64.rpm SHA-256: ddf81bb5554eecf8920d47cac4c212f01865ebc178e059a0efce13e714eadf65
httpd-devel-2.2.10-11.ep5.el5.x86_64.rpm SHA-256: 4ac8e506d7fdb2be7b05966bbbca4051f200b84256273643bff7f0a03d9fcdf5
httpd-manual-2.2.10-11.ep5.el5.x86_64.rpm SHA-256: 91a17b5e664742db23afe570c37ea6118e59f4050afaffe49c0ec30f9bf6bdfa
mod_ssl-2.2.10-11.ep5.el5.x86_64.rpm SHA-256: 39245d672a5bbfe52cbf019274422714f68926e644b00f3c810a9d86009a6c94
i386
httpd-2.2.10-11.ep5.el5.i386.rpm SHA-256: 71b372e49bec2e71f7a805ebc48c661acceef81b8a55a522b4f74a1b2446ebef
httpd-devel-2.2.10-11.ep5.el5.i386.rpm SHA-256: a77627677a3b9aa88c4d2faead5c83b47a980d9c93d51a07ac4228ef75d2aca9
httpd-manual-2.2.10-11.ep5.el5.i386.rpm SHA-256: 6d06a4eb949d7f3974191f66c7669622f0eeec6a65e0380d48046619f825cfa0
mod_ssl-2.2.10-11.ep5.el5.i386.rpm SHA-256: 7e295e6a2f95035af145acaba7f1f07734535f371ecb9bec49c7de4837f2505e

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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