CVE-2012-3291
Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
02 Description
Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.29% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-06-07 20:00Z14 YR AGO
- Last updated
- 2024-08-06 19:57Z2 YR AGO
- Reserved
- 2012-06-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- c1e094d0f084ea583b8e13ac172009c11c73cfd8daac817a766e9f313ef9f714
05 Affected products
06 References
- www.infradead.orghttp://www.infradead.org/openconnect/changelog.html
- www.debian.orgDSA-2495http://www.debian.org/security/2012/dsa-2495
- lists.fedoraproject.orgFEDORA-2012-6758http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html
- oval.cisecurity.orgoval:org.mitre.oval:def:17242https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242
- lists.opensuse.orgopenSUSE-SU-2013:1072http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html
- git.infradead.orghttp://git.infradead.org/users/dwmw2/openconnect.git/commitdiff/14cae65318d3ef1f7d449e463b72b6934e82f1c2
07 Fixed in
Debian 12
- openconnect Fixed in 3.18-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openconnect Fixed in 3.18-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openconnect Fixed in 3.18-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.