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Ubuntu: (Multiple Advisories) (CVE-2020-27840): ldb vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-27840): ldb vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/24/2021
Created
03/27/2021
Added
03/25/2021
Modified
06/03/2021

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-4888-2:

USN-4888-1 fixed several vulnerabilities in ldb. This update provides the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Douglas Bagnall discovered that ldb, when used with Samba, incorrectly handled certain LDAP attributes. A remote attacker could possibly use this issue to cause the LDAP server to crash, resulting in a denial of service. (CVE-2021-20277)

Douglas Bagnall discovered that ldb, when used with Samba, incorrectly handled certain DN strings. A remote attacker could use this issue to cause the LDAP server to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-27840)

Solution(s)

  • ubuntu-upgrade-libldb1
  • ubuntu-upgrade-libldb2

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