CVE-2017-7746

Description

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the SLSK dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-slsk.c by adding checks for the remaining length.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.04% Top 20%
Vendor Advisory wireshark.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=58e69cc769dea24b721abd8a29f9eedc11024b7e
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13576 issue tracking patch vendor advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html third party advisory mailing list
http://www.securityfocus.com/bid/97635 vdb entry third party advisory
https://www.wireshark.org/security/wnpa-sec-2017-19.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7746?
CVE-2017-7746 has been scored as a high severity vulnerability.
How to fix CVE-2017-7746?
To fix CVE-2017-7746, 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-2017-7746 being actively exploited in the wild?
It is possible that CVE-2017-7746 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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