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Red Hat: CVE-2021-20277: CVE-2021-20277 samba: Out of bounds read in AD DC LDAP server (Multiple Advisories)

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Red Hat: CVE-2021-20277: CVE-2021-20277 samba: Out of bounds read in AD DC LDAP server (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
04/06/2021
Created
04/07/2021
Added
04/07/2021
Modified
12/15/2023

Description

A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.

Solution(s)

  • redhat-upgrade-ldb-tools
  • redhat-upgrade-ldb-tools-debuginfo
  • redhat-upgrade-libldb
  • redhat-upgrade-libldb-debuginfo
  • redhat-upgrade-libldb-debugsource
  • redhat-upgrade-libldb-devel
  • redhat-upgrade-pyldb
  • redhat-upgrade-pyldb-devel
  • redhat-upgrade-python3-ldb
  • redhat-upgrade-python3-ldb-debuginfo

References

  • DSA-4884
  • CVE-2021-20277
  • RHSA-2021:1072
  • RHSA-2021:1197
  • RHSA-2021:1213
  • RHSA-2021:1214
  • RHSA-2021:2331
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