CVE-2012-3461
Summary
| CVE | CVE-2012-3461 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-08-20 19:55:05 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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 And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Cypherpunks | Libotr | 3.1.0 | All | All | All |
| Application | Cypherpunks | Libotr | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Debian -- Security Information -- DSA-2526-1 libotr | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| USN-1541-1: libotr vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| #684121 - libotr2: Buffer overflows in libotr - Debian Bug report logs | af854a3a-2127-422b-91ae-364da2661108 | bugs.debian.org | |
| Off-the-Record Messaging / Git tools | af854a3a-2127-422b-91ae-364da2661108 | otr.git.sourceforge.net | |
| [OTR-dev] otr file transfer | af854a3a-2127-422b-91ae-364da2661108 | lists.cypherpunks.ca | |
| Support / Security / Advisories / / MDVSA-2012:131 | Mandriva | af854a3a-2127-422b-91ae-364da2661108 | www.mandriva.com | |
| Support / Security / Advisories / / MDVSA-2013:097 | Mandriva | af854a3a-2127-422b-91ae-364da2661108 | www.mandriva.com | |
| 846377 – (CVE-2012-3461) CVE-2012-3461 libotr: Multiple heap-based buffer overflows in the Base64 decoder | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| [security-announce] SUSE-SU-2012:1578-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| [security-announce] openSUSE-SU-2012:1525-1: important: update for libot | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| [security-announce] openSUSE-SU-2013:0155-1: important: update for libot | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Off-the-Record Messaging / Git tools | af854a3a-2127-422b-91ae-364da2661108 | otr.git.sourceforge.net | |
| Malformed Request | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Off-the-Record Messaging / Git tools | af854a3a-2127-422b-91ae-364da2661108 | otr.git.sourceforge.net | |
| [OTR-dev] otrl_base64_otr_decode() function... | af854a3a-2127-422b-91ae-364da2661108 | lists.cypherpunks.ca | |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| Off-the-Record Messaging / Git tools | MITRE | otr.git.sourceforge.net | |
| Off-the-Record Messaging / Git tools | MITRE | otr.git.sourceforge.net | |
| Off-the-Record Messaging / Git tools | MITRE | otr.git.sourceforge.net | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.