CVE-2012-3461

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.

Risk Information

Base Score

5.9

MODERATE

Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

3.165

Associated Vulnerability

Vulnerability	OS Platform
Off-the-Record Messaging library (USN-1541-1) libotr2_3.2.0-4ubuntu0.2_i386.deb	Linux
Off-the-Record Messaging library (USN-1541-1) libotr2_3.2.0-4ubuntu0.2_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234