CVE-2016-2851

Published: Apr 7, 2016Modified: May 6, 2026

9.8

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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 (5)

Products: Debian: Debian Linux · Opensuse: Leap, Opensuse · Cypherpunks: Libotr

1 product

2 products

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 7.0
Debian Debian Linux	Version 8.0

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 42.1
Opensuse Opensuse	Version 13.2

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Cypherpunks Libotr	Up to 4.1.0

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (22)

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html

Source: cve@mitre.org

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html

Source: cve@mitre.org

Vendor Advisory

http://seclists.org/fulldisclosure/2016/Mar/21

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

http://www.debian.org/security/2016/dsa-3512

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/archive/1/537745/100/0/threaded

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/84285

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-2926-1

Source: cve@mitre.org

Third Party Advisory

https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html

Source: cve@mitre.org

Exploit

https://security.gentoo.org/glsa/201701-10

Source: cve@mitre.org

Third Party Advisory

https://www.exploit-db.com/exploits/39550/

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/

Source: cve@mitre.org

Exploit

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://seclists.org/fulldisclosure/2016/Mar/21

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitMailing ListThird Party Advisory

http://www.debian.org/security/2016/dsa-3512

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

http://www.securityfocus.com/archive/1/537745/100/0/threaded

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

http://www.securityfocus.com/bid/84285

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-2926-1

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

https://security.gentoo.org/glsa/201701-10

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.exploit-db.com/exploits/39550/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

Timeline

No history available yet.