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Amazon Linux 2023: CVE-2023-34966: Important priority package update for samba

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Amazon Linux 2023: CVE-2023-34966: Important priority package update for samba

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
07/19/2023
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

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.

Solution(s)

  • amazon-linux-2023-upgrade-libnetapi
  • amazon-linux-2023-upgrade-libnetapi-debuginfo
  • amazon-linux-2023-upgrade-libnetapi-devel
  • amazon-linux-2023-upgrade-libsmbclient
  • amazon-linux-2023-upgrade-libsmbclient-debuginfo
  • amazon-linux-2023-upgrade-libsmbclient-devel
  • amazon-linux-2023-upgrade-libwbclient
  • amazon-linux-2023-upgrade-libwbclient-debuginfo
  • amazon-linux-2023-upgrade-libwbclient-devel
  • amazon-linux-2023-upgrade-python3-samba
  • amazon-linux-2023-upgrade-python3-samba-dc
  • amazon-linux-2023-upgrade-python3-samba-dc-debuginfo
  • amazon-linux-2023-upgrade-python3-samba-debuginfo
  • amazon-linux-2023-upgrade-python3-samba-devel
  • amazon-linux-2023-upgrade-python3-samba-test
  • amazon-linux-2023-upgrade-samba
  • amazon-linux-2023-upgrade-samba-client
  • amazon-linux-2023-upgrade-samba-client-debuginfo
  • amazon-linux-2023-upgrade-samba-client-libs
  • amazon-linux-2023-upgrade-samba-client-libs-debuginfo
  • amazon-linux-2023-upgrade-samba-common
  • amazon-linux-2023-upgrade-samba-common-libs
  • amazon-linux-2023-upgrade-samba-common-libs-debuginfo
  • amazon-linux-2023-upgrade-samba-common-tools
  • amazon-linux-2023-upgrade-samba-common-tools-debuginfo
  • amazon-linux-2023-upgrade-samba-dcerpc
  • amazon-linux-2023-upgrade-samba-dcerpc-debuginfo
  • amazon-linux-2023-upgrade-samba-dc-libs
  • amazon-linux-2023-upgrade-samba-dc-libs-debuginfo
  • amazon-linux-2023-upgrade-samba-debuginfo
  • amazon-linux-2023-upgrade-samba-debugsource
  • amazon-linux-2023-upgrade-samba-devel
  • amazon-linux-2023-upgrade-samba-krb5-printing
  • amazon-linux-2023-upgrade-samba-krb5-printing-debuginfo
  • amazon-linux-2023-upgrade-samba-ldb-ldap-modules
  • amazon-linux-2023-upgrade-samba-ldb-ldap-modules-debuginfo
  • amazon-linux-2023-upgrade-samba-libs
  • amazon-linux-2023-upgrade-samba-libs-debuginfo
  • amazon-linux-2023-upgrade-samba-pidl
  • amazon-linux-2023-upgrade-samba-test
  • amazon-linux-2023-upgrade-samba-test-debuginfo
  • amazon-linux-2023-upgrade-samba-test-libs
  • amazon-linux-2023-upgrade-samba-test-libs-debuginfo
  • amazon-linux-2023-upgrade-samba-tools
  • amazon-linux-2023-upgrade-samba-usershares
  • amazon-linux-2023-upgrade-samba-vfs-iouring
  • amazon-linux-2023-upgrade-samba-vfs-iouring-debuginfo
  • amazon-linux-2023-upgrade-samba-winbind
  • amazon-linux-2023-upgrade-samba-winbind-clients
  • amazon-linux-2023-upgrade-samba-winbind-clients-debuginfo
  • amazon-linux-2023-upgrade-samba-winbind-debuginfo
  • amazon-linux-2023-upgrade-samba-winbind-krb5-locator
  • amazon-linux-2023-upgrade-samba-winbind-krb5-locator-debuginfo
  • amazon-linux-2023-upgrade-samba-winbind-modules
  • amazon-linux-2023-upgrade-samba-winbind-modules-debuginfo

References

  • https://attackerkb.com/topics/cve-2023-34966
  • CVE - 2023-34966
  • https://alas.aws.amazon.com/AL2023/ALAS-2023-316.html
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  • 已创建
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