Unrated severityNVD Advisory· Published Aug 20, 2012· Updated Apr 29, 2026
CVE-2012-3461
CVE-2012-3461
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.
Affected products
2cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:*range: <=3.2.0
- cpe:2.3:a:cypherpunks:libotr:3.1.0:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
16- bugs.debian.org/cgi-bin/bugreport.cginvd
- lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001347.htmlnvd
- lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001348.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2012-11/msg00016.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2012-11/msg00019.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2013-01/msg00019.htmlnvd
- otr.git.sourceforge.net/git/gitweb.cginvd
- otr.git.sourceforge.net/git/gitweb.cginvd
- otr.git.sourceforge.net/git/gitweb.cginvd
- www.debian.org/security/2012/dsa-2526nvd
- www.mandriva.com/security/advisoriesnvd
- www.mandriva.com/security/advisoriesnvd
- www.securityfocus.com/bid/54907nvd
- www.ubuntu.com/usn/USN-1541-1nvd
- bugzilla.redhat.com/show_bug.cginvd
- exchange.xforce.ibmcloud.com/vulnerabilities/77528nvd
News mentions
0No linked articles in our index yet.