Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2012-3461 Details

Description

The (1) otrl_base64_otr_decode function in src/b64.c; (2) otrl_proto_data_read_flags and (3) otrl_proto_accept_data functions in src/proto.c; and (4) decode function in toolkit/parse.c in libotr before 3.2.1 allocates a zero-length buffer when decoding a base64 string, which allows remote attackers to cause a denial of service (application crash) via a message with the value "?OTR:===.", which triggers a heap-based buffer overflow.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684121 CVE
http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001347.html CVE
http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001348.html CVE
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00016.html CVE
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00019.html CVE

see all 32 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
cypherpunks libotr
<= 3.2.0
3.1.0

CPE

  • cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cypherpunks:libotr:3.1.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2012-3461
NVD Published Date:
Aug 20, 2012
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2012-3461 Details - Not Deferred