UBUNTU-CVE-2014-4344

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Source
https://ubuntu.com/security/CVE-2014-4344
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-4344.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2014-4344
Upstream
Downstream
Related
Published
2014-07-21T00:00:00Z
Modified
2025-07-16T07:32:02.920381Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.

References

Affected packages

Ubuntu:14.04:LTS / krb5

Package

Name
krb5
Purl
pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu4.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.12+dfsg-2ubuntu4.2

Affected versions

1.*

1.10.1+dfsg-6.1ubuntu1
1.11.3+dfsg-3ubuntu2
1.12+dfsg-2ubuntu1
1.12+dfsg-2ubuntu2
1.12+dfsg-2ubuntu3
1.12+dfsg-2ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-admin-server"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-doc"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-gss-samples"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-kdc"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-kdc-ldap"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-locales"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-multidev"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-otp"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-pkinit"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "krb5-user"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libgssapi-krb5-2"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libgssrpc4"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libk5crypto3"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkadm5clnt-mit9"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkadm5srv-mit8"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkadm5srv-mit9"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkdb5-7"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkrad-dev"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkrad0"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkrb5-3"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkrb5-dbg"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkrb5-dev"
        },
        {
            "binary_version": "1.12+dfsg-2ubuntu4.2",
            "binary_name": "libkrb5support0"
        }
    ],
    "availability": "No subscription required"
}