Updated wireshark packages that fix multiple 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 gives a detailed severity rating, is available for each vulnerability from the CVE link(s) associated with each description below.
Wireshark is a program for monitoring network traffic. Wireshark was previously known as Ethereal.
A heap-based buffer overflow flaw was found in the Wireshark MAC-LTE dissector. 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.
A heap-based buffer overflow flaw was found in the way Wireshark processed signaling traces generated by the Gammu utility on Nokia DCT3 phones running in Netmonitor mode. If Wireshark opened a specially-crafted capture file, it could crash or, possibly, execute arbitrary code as the user running Wireshark.
- CVE-2011-0538, CVE-2011-1139, CVE-2011-1140, CVE-2011-1141
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.
Users of Wireshark should upgrade to these updated packages, which contain Wireshark version 1.2.15, and resolve these issues. All running instances of Wireshark must be restarted for the update to take effect.