Red Hat Security Advisory 2023-7464-01 - An update for samba is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include a denial of service vulnerability.
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The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7464.json
Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
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Red Hat Security Advisory
Synopsis: Moderate: samba security update
Advisory ID: RHSA-2023:7464-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:7464
Issue date: 2023-11-22
Revision: 01
CVE Names: CVE-2023-3961
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Summary:
An update for samba is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description:
Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.
Security Fix(es):
* samba: smbd allows client access to unix domain sockets on the file system as root (CVE-2023-3961)
* samba: SMB clients can truncate files with read-only permissions (CVE-2023-4091)
* samba: \"rpcecho\" development server allows denial of service via sleep() call on AD DC (CVE-2023-42669)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution:
https://access.redhat.com/articles/11258
CVEs:
CVE-2023-3961
References:
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2241881
https://bugzilla.redhat.com/show_bug.cgi?id=2241882
https://bugzilla.redhat.com/show_bug.cgi?id=2241884