CVE-2015-8738

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory gentoo.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11823
http://www.wireshark.org/security/wnpa-sec-2015-56.html vendor advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=858c3f0079f987833fb22eba2c361d1a88ba4103
https://security.gentoo.org/glsa/201604-05 vendor advisory
http://www.securitytracker.com/id/1034551 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-8738?
CVE-2015-8738 has been scored as a medium severity vulnerability.
How to fix CVE-2015-8738?
To fix CVE-2015-8738, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8738 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8738 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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