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Vulnerability Intelligence

CVE-2016-2851 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2016-2851

CVE-2016-2851

CRITICAL9.8

Integer overflow in proto

Published Apr 7, 2016

Modified 1 years ago

Details

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.

References

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

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

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

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

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

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

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

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

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

https://www.cve.org/CVERecord?id=CVE-2016-2851

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

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

CVSS Analysis

CVSS v3.0

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Ecosystems

Timeline

PublishedApr 7, 2016

ModifiedAug 5, 2024