RHSA-2007:1126 - Security Advisory

Topic

An updated Adobe Flash Player package that fixes a security issue is now
available for Red Hat Enterprise Linux 3 Extras, 4 Extras, and 5
Supplementary.

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

Description

The flash-plugin package contains a Firefox-compatible Adobe Flash Player
Web browser plug-in.

Several input validation flaws were found in the way Flash Player displays
certain content. It may be possible to execute arbitrary code on a victim's
machine, if the victim opens a malicious Adobe Flash file.
(CVE-2007-4768, CVE-2007-6242, CVE-2007-6246)

A flaw was found in the way Flash Player handled the asfunction: protocol.
Malformed SWF files could perform a cross-site scripting attack.
(CVE-2007-6244)

A flaw was found in the way Flash Player modified HTTP request headers.
Malicious content could allow Flash Player to conduct a HTTP response
splitting attack. (CVE-2007-6245)

A flaw was found in the way Flash Player processes certain SWF content. A
malicious SWF file could allow a remote attacker to conduct a port scanning
attack from the client's machine. (CVE-2007-4324)

A flaw was found in the way Flash Player establishes TCP sessions. A remote
attacker could use Flash Player to conduct a DNS rebinding attack.
(CVE-2007-5275)

Users of Adobe Flash Player are advised to upgrade to this updated package,
which contains version 9.0.115.0 and resolves these issues.

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/FAQ_58_10188

Affected Products

• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux Server 4 i386
• Red Hat Enterprise Linux Server 3 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.1 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.1 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4ES i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4AS i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Workstation 4 i386
• Red Hat Enterprise Linux Workstation 3 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 i386
• Red Hat Enterprise Linux Desktop 4 i386
• Red Hat Enterprise Linux Desktop 3 i386
• Red Hat Enterprise Linux Server from RHUI 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 5 i386

Fixes

• BZ - 252292 - CVE-2007-4324 Flash movie can determine whether a TCP port is open
• BZ - 367501 - CVE-2007-5275 Flash plugin DNS rebinding
• BZ - 392911 - CVE-2007-4768: pcre before 7.3 incorrect unicode in char class optimization
• BZ - 412161 - CVE-2007-6242
• BZ - 414501 - CVE-2007-6244
• BZ - 414511 - CVE-2007-6245
• BZ - 414521 - CVE-2007-6246

CVEs

• CVE-2007-6242
• CVE-2007-6244
• CVE-2007-4324
• CVE-2007-6246
• CVE-2007-5275
• CVE-2007-4768
• CVE-2007-6245
• CVE-2007-6243

References

• http://www.adobe.com/support/security/bulletins/apsb07-20.html
• http://www.redhat.com/security/updates/classification/#critical