#VU78575 Type Confusion in Samba - CVE-2023-34967
Published: July 24, 2023 / Updated: August 28, 2023
Vulnerability identifier: #VU78575
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-34967
CWE-ID: CWE-843
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Samba
Samba
Software vendor:
Samba
Samba
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion error when parsing Spotlight mdssvc RPC packets. A remote attacker can send specially crafted data to the server, trigger a type confusion error and crash the server.
Remediation
Install updates from vendor's website.
External links
- https://access.redhat.com/security/cve/CVE-2023-34967
- https://www.samba.org/samba/security/CVE-2023-34967.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2222794
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/
- https://www.zerodayinitiative.com/advisories/ZDI-23-1227/