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 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

25.40% chance of exploitation in the next 30 days, 98th percentile

Published

2016-04-07

Updated

2024-08-05

Proof-of-concept exploits (1)

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

ExploitDB entries (1)

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

Security advisories

• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html
• 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://security.gentoo.org/glsa/201701-10

References

• CVE Record
• NVD entry