CVE-2017-7746

HIGH

Wireshark <2.2.5 & 2.0.11 - DoS

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13576
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97635
Vendor Advisory x_refsource_confirm
https://www.wireshark.org/security/wnpa-sec-2017-19.html

Scores

CVSS v3 7.5
EPSS 0.0204
EPSS Percentile 83.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-835
Status published
Products (19)
debian/debian_linux 8.0
wireshark/wireshark 2.0.0
wireshark/wireshark 2.0.1
wireshark/wireshark 2.0.2
wireshark/wireshark 2.0.3
wireshark/wireshark 2.0.4
wireshark/wireshark 2.0.5
wireshark/wireshark 2.0.6
wireshark/wireshark 2.0.7
wireshark/wireshark 2.0.8
... and 9 more
Published Apr 12, 2017
Tracked Since Feb 18, 2026