CVE-2016-2851

EUVD-2016-3924
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
Affected Products (NVD)
VendorProductVersion
debiandebian_linux
7.0
debiandebian_linux
8.0
opensuseleap
42.1
opensuseopensuse
13.2
cypherpunkslibotr
𝑥
≤ 4.1.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libotr
bookworm
4.1.1-5
fixed
bullseye
4.1.1-4
fixed
sid
4.1.1-5.1
fixed
trixie
4.1.1-5.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libotr
precise
Fixed 3.2.0-4ubuntu0.3
released
trusty
Fixed 4.0.0-2.2ubuntu1.1
released
wily
Fixed 4.1.0-2ubuntu0.1
released
Common Weakness Enumeration
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.exploit-db.com/exploits/39550/
https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/
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.exploit-db.com/exploits/39550/
https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/