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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
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 loop, resulting in a denial of service condition.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
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OR
*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions up to (excluding) 4.16.11
*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.17.0 up to (excluding) 4.17.10
*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.18.0 up to (excluding) 4.18.5
Added
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
NIST CWE-835
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2023-34966 No Types Assigned
https://access.redhat.com/security/cve/CVE-2023-34966 Third Party Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=2222793 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=2222793 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/ Mailing List
Changed
Reference Type
https://www.samba.org/samba/security/CVE-2023-34966 No Types Assigned
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