CVE-2012-3461
Published Aug 20, 2012
Last updated 2 years ago
Overview
- 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.
- Source
- secalert@redhat.com
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-119
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "16FB55F1-A4DA-48A8-A7B9-8ADA15F28F20",
"versionEndIncluding": "3.2.0"
},
{
"criteria": "cpe:2.3:a:cypherpunks:libotr:3.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "917BC37B-B3B5-4802-BF1C-96F1893AC68F"
}
],
"operator": "OR"
}
]
}
]