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Bug 1348852 - (CVE-2016-2377) CVE-2016-2377 pidgin: MXIT HTTP Content-Length Buffer Overflow Vulnerability
CVE-2016-2377 pidgin: MXIT HTTP Content-Length Buffer Overflow Vulnerability
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20160621,repor...
: Security
Depends On: 1350338 1403136
Blocks: 1348890
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Reported: 2016-06-22 04:29 EDT by Andrej Nemec
Modified: 2018-09-27 07:30 EDT (History)
7 users (show)

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Fixed In Version: pidgin 2.11.0
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Description Andrej Nemec 2016-06-22 04:29:46 EDT 
A buffer 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.

External references:

http://www.talosintel.com/reports/TALOS-2016-0119/
http://www.pidgin.im/news/security/?id=93

Upstream fix:

https://bitbucket.org/pidgin/main/commits/0f94ef13ab37
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