UBUNTU-CVE-2012-1016

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Source
https://ubuntu.com/security/CVE-2012-1016
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-1016.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2012-1016
Upstream
Downstream
Related
Withdrawn
2025-07-18T16:42:45Z
Published
2013-03-04T00:00:00Z
Modified
2025-07-16T07:30:53.048107Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

The pkinitserverreturnpadata function in plugins/preauth/pkinit/pkinitsrv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.

References

Affected packages

Ubuntu:14.04:LTS / krb5

Package

Name
krb5
Purl
pkg:deb/ubuntu/krb5@1.11.3+dfsg-3ubuntu2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.11.3+dfsg-3ubuntu2

Affected versions

1.*

1.10.1+dfsg-6.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-doc",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-kdc",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-locales",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-multidev",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "krb5-user",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libgssrpc4",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libk5crypto3",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkadm5clnt-mit8",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkadm5srv-mit8",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkdb5-7",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkrb5-3",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkrb5-dbg",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkrb5-dev",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        },
        {
            "binary_name": "libkrb5support0",
            "binary_version": "1.11.3+dfsg-3ubuntu2"
        }
    ],
    "availability": "No subscription required"
}