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An integer underflow flaw, leading to heap-based buffer over-read was found in the Wireshark's Visual Networks dissector. A remote attacker could create a specially-crafted capture file, which once opened, by a local, unsuspecting user could lead to wireshark application crash. References: [1] https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5934 (upstream bug report) [2] https://bugs.wireshark.org/bugzilla/attachment.cgi?id=6366 (reproducer) [3] http://www.openwall.com/lists/oss-security/2011/05/31/20 (CVE request) [4] http://www.wireshark.org/security/wnpa-sec-2011-07.html (upstream advisory) Upstream patch: [5] http://anonsvn.wireshark.org/viewvc?view=revision&revision=37128
This issue affects the versions of the wireshark package, as shipped with Red Hat Enterprise Linux 4, 5, and 6. -- This issue affects the versions of the wireshark package, as shipped with Fedora release of 13, 14, and 15.
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2012:0509 https://rhn.redhat.com/errata/RHSA-2012-0509.html
Current Fedora has wireshark 1.4.12 which is not affected by this flaw.
Acknowledgements: This issue was discovered by Huzaifa Sidhpurwala of the Red Hat Security Response Team.
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Via RHSA-2013:0125 https://rhn.redhat.com/errata/RHSA-2013-0125.html
Statement: (none)