Moderate: wireshark security and bug fix update

Synopsis

Moderate: wireshark security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for wireshark is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

• Several denial of service flaws were found in Wireshark. Wireshark could crash or stop responding if it read a malformed packet off a network, or opened a malicious dump file. (CVE-2015-3811, CVE-2015-3812, CVE-2015-3813, CVE-2013-4075)
  

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9 Technical Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Wireshark must be restarted for the update to take effect.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64

Fixes

• BZ - 972680 - CVE-2013-4075 wireshark: DoS (crash) in the GMR-1 BCCH dissector (wnpa-sec-2013-33)
• BZ - 1222436 - CVE-2015-3811 wireshark: WCP dissector crash (wnpa-sec-2015-14)
• BZ - 1222437 - CVE-2015-3812 wireshark: X11 memory leak (wnpa-sec-2015-15)
• BZ - 1222438 - CVE-2015-3813 wireshark: Reassembly memory leak (wnpa-sec-2015-16)
• BZ - 1222895 - Problems decoding TLS Server Key Exchange messages
• BZ - 1222902 - Encrypt-then-MAC TLS extension unrecognised
• BZ - 1238166 - tshark -F option fails to create capture files in .pcap format.
• BZ - 1240675 - No dissection of the TLS Certificate Verify message

CVEs

• CVE-2013-4075
• CVE-2015-3811
• CVE-2015-3812
• CVE-2015-3813

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Release_Notes/index.html
• https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Technical_Notes/index.html