CVE-2012-3461
CVSS V2 Medium 4.3
CVSS V3 None
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.
Overview
- CVE ID
- CVE-2012-3461
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2012-08-20T19:55:05
- Last Modified Date
- 2023-02-13T00:25:34
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:* | 1 | OR | 3.2.0 | |
| cpe:2.3:a:cypherpunks:libotr:3.1.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
References
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2012-3461 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3461 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 08:49:11 | Added to TrackCVE | |||
| 2023-02-13 01:03:57 | 2023-02-13T00:25:34 | CVE Modified Date | updated |