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Red Hat: CVE-2021-20316: CVE-2021-20316 samba: Symlink race error can allow metadata read and modify outside of the exported share (Multiple Advisories)

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Red Hat: CVE-2021-20316: CVE-2021-20316 samba: Symlink race error can allow metadata read and modify outside of the exported share (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/10/2022
Created
05/14/2022
Added
05/13/2022
Modified
12/15/2023

Description

A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.

Solution(s)

  • redhat-upgrade-ctdb
  • redhat-upgrade-ctdb-debuginfo
  • redhat-upgrade-libsmbclient
  • redhat-upgrade-libsmbclient-debuginfo
  • redhat-upgrade-libsmbclient-devel
  • redhat-upgrade-libwbclient
  • redhat-upgrade-libwbclient-debuginfo
  • redhat-upgrade-libwbclient-devel
  • redhat-upgrade-python3-samba
  • redhat-upgrade-python3-samba-debuginfo
  • redhat-upgrade-python3-samba-test
  • redhat-upgrade-samba
  • redhat-upgrade-samba-client
  • redhat-upgrade-samba-client-debuginfo
  • redhat-upgrade-samba-client-libs
  • redhat-upgrade-samba-client-libs-debuginfo
  • redhat-upgrade-samba-common
  • redhat-upgrade-samba-common-libs
  • redhat-upgrade-samba-common-libs-debuginfo
  • redhat-upgrade-samba-common-tools
  • redhat-upgrade-samba-common-tools-debuginfo
  • redhat-upgrade-samba-debuginfo
  • redhat-upgrade-samba-debugsource
  • redhat-upgrade-samba-devel
  • redhat-upgrade-samba-krb5-printing
  • redhat-upgrade-samba-krb5-printing-debuginfo
  • redhat-upgrade-samba-libs
  • redhat-upgrade-samba-libs-debuginfo
  • redhat-upgrade-samba-pidl
  • redhat-upgrade-samba-test
  • redhat-upgrade-samba-test-debuginfo
  • redhat-upgrade-samba-test-libs
  • redhat-upgrade-samba-test-libs-debuginfo
  • redhat-upgrade-samba-vfs-iouring
  • redhat-upgrade-samba-vfs-iouring-debuginfo
  • redhat-upgrade-samba-winbind
  • redhat-upgrade-samba-winbind-clients
  • redhat-upgrade-samba-winbind-clients-debuginfo
  • redhat-upgrade-samba-winbind-debuginfo
  • redhat-upgrade-samba-winbind-krb5-locator
  • redhat-upgrade-samba-winbind-krb5-locator-debuginfo
  • redhat-upgrade-samba-winbind-modules
  • redhat-upgrade-samba-winbind-modules-debuginfo
  • redhat-upgrade-samba-winexe
  • redhat-upgrade-samba-winexe-debuginfo

References

  • CVE-2021-20316
  • RHSA-2022:2074

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