Security Advisory

CVE-2012-3461

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2012-08-20 19:00:00

Last updated 2024-08-06 20:05:12

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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