CVE-2023-5568: Samba: heap buffer overflow with freshness tokens in the heimdal kdc
First published: Thu Oct 19 2023(Updated: )
A heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/samba | <4.19.2 | 4.19.2 |
| <4.19.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2023-5568?
CVE-2023-5568 is a heap buffer overflow vulnerability in the heimdal kdc component of Samba.
What is the severity of CVE-2023-5568?
The severity of CVE-2023-5568 is medium (CVSS score of 6.5).
How can a remote attacker exploit CVE-2023-5568?
A remote, authenticated attacker can exploit CVE-2023-5568 to cause a denial of service.
Which software versions are affected by CVE-2023-5568?
Versions up to exclusive 4.19.2 of Samba are affected by CVE-2023-5568.
Where can I find more information about CVE-2023-5568?
You can find more information about CVE-2023-5568 at the following references: [Red Hat Security Advisory](https://access.redhat.com/security/cve/CVE-2023-5568), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=2245174), [Samba Bugzilla](https://bugzilla.samba.org/show_bug.cgi?id=15491).
- agent/type
- agent/first-publish-date
- agent/severity
- agent/author
- agent/weakness
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-5568
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/references
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- agent/event
- package-manager/redhat
- vendor/samba
- canonical/samba samba