Critical severity · published Apr 7, 2016
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…
9.8
CVSS
24.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)24.3% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
LE
Leap · Opensuse
42.1 · source: NVD
LI
Libotr · Cypherpunks
through 4.1.0 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2851
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2851
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
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
http://www.securityfocus.com/bid/84285
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