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CVE-2016-2377

Published: 23 June 2016

A buffer overflow vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent by the server could potentially result in an out-of-bounds write of one byte. A malicious server can send a negative content-length in response to a HTTP request triggering the vulnerability.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
pidgin
Launchpad, Ubuntu, Debian
upstream
Released (2.11.0-1)
precise
Released (1:2.10.3-0ubuntu1.7)
trusty
Released (1:2.10.9-0ubuntu3.3)
wily
Released (1:2.10.11-0ubuntu4.2)
xenial
Released (1:2.10.12-0ubuntu5.1)
Patches:
upstream: https://bitbucket.org/pidgin/main/commits/0f94ef13ab37

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H