CVE-2023-34966 — Infinite Loop in Samba
Severity
7.5HIGHNVD
OSV6.5OSV5.9
EPSS
15.9%
top 5.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 20
Latest updateJun 30
Description
An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not validate a field in the network packet that contains the count of elements in an array-like structure. By passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This flaw allows an attacker to issue a malformed RPC request, triggering an infinite loo…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages3 packages
Also affects: Debian Linux 11.0, 12.0, Fedora 37, 38, Enterprise Linux 8.0, 9.0
🔴Vulnerability Details
6📋Vendor Advisories
5Debian▶
CVE-2023-34966: samba - An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotl...↗2023