Vulnerability Description
The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not validate the list count in an SZL response, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted packet.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | 2.0.0 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1034551
- http://www.wireshark.org/security/wnpa-sec-2015-56.htmlVendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11823
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=858c3f00
- https://security.gentoo.org/glsa/201604-05
- http://www.securitytracker.com/id/1034551
- http://www.wireshark.org/security/wnpa-sec-2015-56.htmlVendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11823
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=858c3f00
- https://security.gentoo.org/glsa/201604-05
FAQ
What is CVE-2015-8738?
CVE-2015-8738 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not validate the list count in an SZL response, wh...
How severe is CVE-2015-8738?
CVE-2015-8738 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8738?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.