CVE-2016-2851: Buffer Overflow

Published Apr 7, 2016
·
Updated

Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.

Affected Software

5 affected components
Debian Debian Linux=7.0
Debian Debian Linux=8.0
openSUSE Leap=42.1
openSUSE openSUSE=13.2
cypherpunks libotr<=4.1.0

Event History

Apr 7, 2016
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2016-2851?

CVE-2016-2851 is classified as a high severity vulnerability due to the potential for denial of service and remote code execution.

2

How do I fix CVE-2016-2851?

To mitigate CVE-2016-2851, users should upgrade to libotr version 4.1.1 or later.

3

What types of systems are affected by CVE-2016-2851?

CVE-2016-2851 affects 64-bit systems running vulnerable versions of libotr, Debian GNU/Linux 7.0 and 8.0, and openSUSE 42.1 and 13.2.

4

What kind of attack does CVE-2016-2851 enable?

CVE-2016-2851 allows remote attackers to perform denial of service attacks or execute arbitrary code through crafted OTR messages.

5

Is CVE-2016-2851 a buffer overflow vulnerability?

Yes, CVE-2016-2851 is a heap-based buffer overflow vulnerability triggered by large OTR messages.

Contact

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