CVE-2016-2851

CRITICAL

Debian Linux < 4.1.0 - Memory Corruption

Title source: rule

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.

Exploits (1)

exploitdb WORKING POC

by X41 D-Sec GmbH · pythondosmultiple

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

View Code ZIP pw:eip

References (11)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html

[Vendor Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html

[Exploit, Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2016/Mar/21

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3512

[Third Party Advisory] http://www.securityfocus.com/archive/1/537745/100/0/threaded

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/84285

[Third Party Advisory] http://www.ubuntu.com/usn/USN-2926-1

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

[Third Party Advisory] https://security.gentoo.org/glsa/201701-10

[Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/39550/

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

Scores

CVSS v3 9.8

EPSS 0.2306

EPSS Percentile 95.9%

Attack Vector NETWORK

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

Details

CWE

CWE-119

Status published

Products (5)

cypherpunks/libotr < 4.1.0

debian/debian_linux 7.0

debian/debian_linux 8.0

opensuse/leap 42.1

opensuse/opensuse 13.2

Published Apr 07, 2016

Tracked Since Feb 18, 2026