The dissect_sip_common function in epan/dissectors/packet-sip.c in the SIP dissector in Wireshark 1.8.x before 1.8.12 and 1.10.x before 1.10.4 does not check for empty lines, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-7112
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9388
• http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-sip.c?r1=51738&r2=51737&pathrev=51738
• http://anonsvn.wireshark.org/viewvc?view=revision&revision=51738
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00007.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00011.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00014.html
• http://rhn.redhat.com/errata/RHSA-2014-0341.html
• http://rhn.redhat.com/errata/RHSA-2014-0342.html
• http://secunia.com/advisories/56285
• http://secunia.com/advisories/56313
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:296
• http://www.wireshark.org/security/wnpa-sec-2013-66.html