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7.5Hoch

CVE-2023-34966Samba: infinite loop in mdssvc rpc service for spotlight

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support;… Veröffentlicht: (vor 3 Jahren)

Beschreibung

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.

Schwachstellentyp (CWE): CWE-835

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
debian debian linux 11.0
enterprise linux 8 —
enterprise linux 9 —
fedoraproject fedora 37
redhat enterprise linux 8.0
Red Hat Red Hat Enterprise Linux 6 —
Red Hat Red Hat Enterprise Linux 7 —
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support all versions
Red Hat Red Hat Storage 3 —
Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 all versions
rhel eus 8.6 —
rhel eus 8.8 —
rhel eus 9.2 —
rhev hypervisor 4.4 —
samba samba < 4.16.11

Referenzen und Patches

CPE-Treffer (NVD) (9)
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* < 4.16.11
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.17.0 < 4.17.10
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.18.0 < 4.18.5
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

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