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CVE-2022-3116

Publication date 7 October 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.

Read the notes from the security team

Status

Package Ubuntu Release Status
heimdal 24.04 LTS noble
Vulnerable
23.10 mantic Ignored
23.04 lunar Ignored
22.10 kinetic Ignored
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Fixed 7.7.0+dfsg-1ubuntu1.1
18.04 LTS bionic
Fixed 7.5.0+dfsg-1ubuntu0.1
16.04 LTS xenial
14.04 LTS trusty
samba 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

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Notes

sbeattie

VU#730793 believed to to be fixed by 7a19658c1 ("spnego: Fix NULL deref") believed to be introduced by b53c90da0 ("Make error reporting somewhat more correct for SPNEGO.") samba contains an embedded code copy of heimdal, but does not use heimdal for SPNEGO

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
heimdal

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5675-1
    • Heimdal vulnerabilities
    • 13 October 2022

Other references