Topic

Updated wireshark packages that fix several security issues are now
available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
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.

Description

Wireshark is a program for monitoring network traffic. Wireshark was
previously known as Ethereal.

Several flaws were found in Wireshark. If Wireshark read a malformed packet
off a network or opened a malicious dump file, it could crash or, possibly,
execute arbitrary code as the user running Wireshark. (CVE-2011-1590,
CVE-2011-4102, CVE-2012-1595)

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-2011-1143, CVE-2011-1957, CVE-2011-1958,
CVE-2011-1959, CVE-2011-2174, CVE-2011-2175, CVE-2011-2597, CVE-2011-2698,
CVE-2012-0041, CVE-2012-0042, CVE-2012-0067, CVE-2012-0066)

Users of Wireshark should upgrade to these updated packages, which contain
backported patches to correct these issues. All running instances of
Wireshark must be restarted for the update to take effect.

Solution

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

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.2 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 for IBM z Systems - Extended Update Support 6.2 s390x
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.2 i386
• Red Hat Storage 2.0 x86_64
• Red Hat Gluster Storage Server for On-premise 2.0 x86_64
• Red Hat Storage for Public Cloud (via RHUI) 2.0 x86_64
• Red Hat Enterprise Linux Server - AUS 6.2 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• 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
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.2 ppc64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.2 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 681760 - CVE-2011-1143 Wireshark: Null pointer dereference causing application crash when reading malformed pcap file
• BZ - 697741 - CVE-2011-1590 Wireshark: Use-after-free causes heap-based buffer overflow in X.509if dissector
• BZ - 710021 - CVE-2011-1957 wireshark: Infinite loop in the DICOM dissector
• BZ - 710039 - CVE-2011-1959 wireshark: Stack-based buffer over-read from tvbuff buffer when reading snoop capture files
• BZ - 710097 - CVE-2011-2174 wireshark: Double-free flaw by uncompressing of a zlib compressed packet
• BZ - 710109 - CVE-2011-2175 wireshark: Heap-based buffer over-read in Visual Networks dissector
• BZ - 710184 - CVE-2011-1958 wireshark (64bit): NULL pointer dereference by processing of a corrupted Diameter dictionary file
• BZ - 719753 - CVE-2011-2597 wireshark: infinite loop DoS in lucent/ascend file parser
• BZ - 723215 - CVE-2011-2698 wireshark: Infinite loop in the ANSI A Interface (IS-634/IOS) dissector
• BZ - 750648 - CVE-2011-4102 wireshark: buffer overflow in the ERF file reader
• BZ - 773726 - CVE-2012-0041 wireshark: multiple file parser vulnerabilities (wnpa-sec-2012-01)
• BZ - 773728 - CVE-2012-0042 wireshark: NULL pointer vulnerabilities (wnpa-sec-2012-02)
• BZ - 783360 - CVE-2012-0066 Wireshark: Dos via large buffer allocation request
• BZ - 783363 - CVE-2012-0067 Wireshark: Dos due to integer overflow in IPTrace capture format parser
• BZ - 807644 - CVE-2012-1595 wireshark: Heap-based buffer overflow when reading ERF packets from pcap/pcap-ng trace files

CVEs

• CVE-2011-1143
• CVE-2012-1595
• CVE-2011-1957
• CVE-2011-2698
• CVE-2012-0066
• CVE-2012-0067
• CVE-2011-2175
• CVE-2011-2174
• CVE-2011-2597
• CVE-2011-1590
• CVE-2012-0041
• CVE-2011-4102
• CVE-2012-0042
• CVE-2011-1958
• CVE-2011-1959

References

• https://access.redhat.com/security/updates/classification/#moderate