UBUNTU-CVE-2012-4436

Source
https://ubuntu.com/security/CVE-2012-4436
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-4436.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2012-4436
Upstream
Withdrawn
2025-07-18T16:42:47Z
Published
2012-10-22T23:55:00Z
Modified
2025-07-16T07:31:01Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.

References

Affected packages

Ubuntu:14.04:LTS / fwknop

Package

Name
fwknop
Purl
pkg:deb/ubuntu/fwknop@2.6.0-2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.6.0-2

Affected versions

2.*
2.0.4-2
2.5.1-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fwknop-apparmor-profile",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "fwknop-client",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "fwknop-server",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "libfko-doc",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "libfko-perl",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "libfko-python",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "libfko2",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "libfko2-dbg",
            "binary_version": "2.6.0-2"
        },
        {
            "binary_name": "libfko2-dev",
            "binary_version": "2.6.0-2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-4436.json"