The PPP dissector in Wireshark 1.4.x before 1.4.14, 1.6.x before 1.6.9, and 1.8.x before 1.8.1 allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via a crafted packet, as demonstrated by a usbmon dump.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-4048
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15547
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=680056
• http://lists.opensuse.org/opensuse-updates/2012-08/msg00000.html
• http://secunia.com/advisories/49971
• http://secunia.com/advisories/54425
• http://www.debian.org/security/2012/dsa-2590
• http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
• http://www.wireshark.org/security/wnpa-sec-2012-11.html