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

CVSS v2.0

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

References

• CVE Record
• NVD entry

Related

• CVE-2016-2819
• CVE-2016-2853
• CVE-2016-2784
• CVE-2016-2854
• CVE-2016-2782
• CVE-2016-2856