Description

The ptvcursor_add function in the ptvcursor implementation in epan/proto.c in Wireshark 1.12.x before 1.12.7 does not check whether the expected amount of data is available, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168837.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165509.html

http://lists.opensuse.org/opensuse-updates/2015-10/msg00053.html

http://www.debian.org/security/2015/dsa-3367

http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.securityfocus.com/bid/76387

http://www.securitytracker.com/id/1033272

http://www.wireshark.org/security/wnpa-sec-2015-28.html

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11358

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=3fc4a831e035604b0af14ed8a5c9f6596a3448d0

https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=5b53445e815fd6b652d49df03ec3d60b088c4fbc

Details

Risk Information

CVSS v2