CVE-2016-2851

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/	Exploit
http://www.debian.org/security/2016/dsa-3512	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html	Mailing List
https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html	Exploit
http://seclists.org/fulldisclosure/2016/Mar/21	Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/84285	Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2926-1	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html	Vendor Advisory
https://security.gentoo.org/glsa/201701-10	Third Party Advisory
https://www.exploit-db.com/exploits/39550/	Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/537745/100/0/threaded	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:7.0:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:opensuse:13.2:::::::*
	cpe:2.3:o:opensuse:leap:42.1:::::::*

Configuration 3 (hide)

cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:*

Information

Published : 2016-04-07 16:59

Updated : 2018-10-30 09:27

NVD link : CVE-2016-2851

Mitre link : CVE-2016-2851

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Products Affected

debian

debian_linux

cypherpunks

libotr

opensuse

opensuse
leap

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