CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.3. It may be remotely exploitable. It may lead to a denial-of-service condition.
CVE
CVE-2012-3461
Severity
MEDIUM
CVSS
4.3
EPSS
3.44%
Original NVD 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.