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.
References
Configurations
Configuration 1 (hide)
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Information
Published : 2012-08-20 12:55
Updated : 2023-02-12 16:25
NVD link : CVE-2012-3461
Mitre link : CVE-2012-3461
JSON object : View
CWE
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
Products Affected
cypherpunks
- libotr