Unscored severity · published Aug 20, 2012
CVE-2012-3461
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…
–
CVSS
3.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libotr · Cypherpunks
through 3.2.0; 3.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-3461
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-3461
bugs.debian.org
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684121
lists.cypherpunks.ca
http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001347.html
lists.cypherpunks.ca
http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001348.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00016.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00019.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00019.html
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