CVE-2023-34966: fallo de gravedad alta en Red Hat Enterprise Linux 6
Samba: infinite loop in mdssvc rpc service for spotlight
Publicada el · Actualizada el
Seguir esta CVE+ Monitorear Red Hat Enterprise Linux+ Monitorear Red Hat Enterprise Linux 9.2 Extended Update Support
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
33Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 62%
Lo que declaran los fabricantes (VEX)
Declaraciones oficiales de los fabricantes en formato CSAF/VEX: si su producto está afectado, ya corregido o descartado — y por qué. Es afirmación del fabricante, no juicio de Vexday.
Red Hatdocumento VEX ↗
Afectado
3 productos (94 componentes)
Red Hat Storage 3 · Red Hat Enterprise Linux 7 · Red Hat Enterprise Linux 6
workaround: As a possible workaround, disable Spotlight by removing all configuration stanzas ("spotlight=yes|true") that enable Spotlight .
Corregido
18 productos (4444 componentes)
Red Hat CodeReady Linux Builder (v. 8) · Red Hat CodeReady Linux Builder EUS (v.8.8) · Red Hat Enterprise Linux AppStream (v. 8) · Red Hat Enterprise Linux AppStream EUS (v.8.8) · Red Hat Enterprise Linux BaseOS (v. 8) · y otros 13
No afectado
2 productos (70 componentes) — porque el código vulnerable no está presente en el producto
Red Hat Enterprise Linux AppStream (v. 8) · Red Hat Enterprise Linux AppStream (v. 9)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Productos afectados
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat · Red Hat Storage 3Red Hat · Red Hat Virtualization 4 for Red Hat Enterprise Linux 8CVEs relacionadas — Red Hat Enterprise Linux 6
En el mismo producto, de las más peligrosas a las menos.
CVE-2023-4911HIGHGlibc: buffer overflow in ld.so leading to privilege escalationEPSS 63.8%KEVCVE-2024-6387HIGHOpenssh: regresshion - race condition in ssh allows rce/dosEPSS 99.5%CVE-2024-3094CRITICALXz: malicious code in distributed sourceEPSS 90.9%CVE-2023-46847HIGHSquid: denial of service in http digest authenticationEPSS 78.5%CVE-2024-12084CRITICALRsync: heap buffer overflow in rsync due to improper checksum length handlingEPSS 72.5%CVE-2023-1183MEDIUMArbitrary file writeEPSS 64.9%
Referencias
https://access.redhat.com/errata/RHSA-2023:6667https://access.redhat.com/errata/RHSA-2023:7139https://access.redhat.com/errata/RHSA-2024:0423https://access.redhat.com/errata/RHSA-2024:0580https://access.redhat.com/errata/RHSA-2024:4101https://access.redhat.com/security/cve/CVE-2023-34966https://bugzilla.redhat.com/show_bug.cgi?id=2222793https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/https://security.netapp.com/advisory/ntap-20230731-0010/https://www.debian.org/security/2023/dsa-5477https://www.samba.org/samba/security/CVE-2023-34966