{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2012-07-27T00:00:00.000Z","descriptions":[{"lang":"en","value":"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 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Program Container","references":[{"name":"DSA-2526","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"],"url":"http://www.debian.org/security/2012/dsa-2526"},{"name":"SUSE-SU-2012:1578","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00019.html"},{"name":"libotr-base64-bo(77528)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/77528"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=846377"},{"name":"MDVSA-2013:097","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"],"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:097"},{"name":"MDVSA-2012:131","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"],"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:131"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=b17232f86f8e60d0d22caf9a2400494d3c77da58"},{"name":"[OTR-dev] 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