VDB
CVE-2012-3461
CVE-2012-3461
PUBLISHED
CVSS 4.300000190734863 MEDIUM
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.
EPSS 3.44% · 88.9th percentile
Risk Scores
CVSS 2.0
4.300000190734863
EPSS Score
3.44%
88.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| cypherpunks | libotr | 0, 3.1.0 |
| n/a | n/a | * |
Timeline
- Aug 20, 2012 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 17, 2022 CVE Updated
- May 21, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Oct 28, 2022 EPSS Score
- Dec 20, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- May 28, 2023 EPSS Score
- Jul 20, 2023 EPSS Score
References
- libotr-base64-bo(77528) vdb
- [OTR-dev] 20120727 otrl_base64_otr_decode() function... mailing-list
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684121 url
- openSUSE-SU-2012:1525 vendor-advisory
- SUSE-SU-2012:1578 vendor-advisory
- MDVSA-2013:097 vendor-advisory
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=b17232f86f8e60d0d22caf9a2400494d3c77da58 url
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=1902baee5d4b056850274ed0fa8c2409f1187435 url
- 54907 vdb
- https://nvd.nist.gov/vuln/detail/CVE-2012-3461 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=846377 url
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00019.html url
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr;a=commitdiff;h=1902baee5d4b056850274ed0fa8c2409f1187435 url
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr;a=commitdiff;h=6d4ca89cf1d3c9a8aff696c3a846ac5a51f762c1 url
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr;a=commitdiff;h=b17232f86f8e60d0d22caf9a2400494d3c77da58 url
- http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001348.html technical
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=6d4ca89cf1d3c9a8aff696c3a846ac5a51f762c1 technical
- http://www.debian.org/security/2012/dsa-2526 technical
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:131 technical
- http://www.ubuntu.com/usn/USN-1541-1 technical