CVE-2012-3461
- State
- Published
- Severity
- Not scored
- Published
- Aug 20, 2012
- Updated
- Aug 6, 2024
- Reserved
- Jun 14, 2012
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- DSA-2526vendor-advisory
- SUSE-SU-2012:1578vendor-advisory
- libotr-base64-bo(77528)vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=846377
- MDVSA-2013:097vendor-advisory
- MDVSA-2012:131vendor-advisory
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=b17232f86f8e60d0d22caf9a2400494d3c77da58
- [OTR-dev] 20120727 otrl_base64_otr_decode() function...mailing-list
- [OTR-dev] 20120727 Re: otrl_base64_otr_decode() function...mailing-list
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684121
- USN-1541-1vendor-advisory
- openSUSE-SU-2012:1525vendor-advisory
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=1902baee5d4b056850274ed0fa8c2409f1187435
- openSUSE-SU-2013:0155vendor-advisory
- http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=6d4ca89cf1d3c9a8aff696c3a846ac5a51f762c1
- 54907vdb-entry
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