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CVE-2017-7746

Published: 12 April 2017

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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
wireshark
Launchpad, Ubuntu, Debian
artful
Released (2.2.6+g32dac6a-2)
bionic
Released (2.6.3-1~ubuntu18.04.1)
precise Ignored
(end of life)
trusty
Released (2.6.3-1~ubuntu14.04.1)
upstream
Released (2.2.6, 2.0.12)
xenial
Released (2.6.3-1~ubuntu16.04.1)
yakkety
Released (2.2.6+g32dac6a-2ubuntu0.16.10)
zesty
Released (2.2.6+g32dac6a-2ubuntu0.17.04)
Patches:
upstream: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=58e69cc769dea24b721abd8a29f9eedc11024b7e

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H