Ubuntu alert USN-4888-2 (ldb)
| From: | Avital Ostromich <avital.ostromich@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-4888-2] ldb vulnerabilities | |
| Date: | Thu, 25 Mar 2021 13:55:18 -0400 | |
| Message-ID: | <ac2d594b-65f4-2570-6020-85208dad52dc@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4888-2 March 25, 2021 ldb vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM Summary: Several security issues were fixed in ldb. Software Description: - ldb: LDAP-like embedded database Details: 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) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: libldb1 1:1.1.24-0ubuntu0.14.04.2+esm1 After a standard system update you need to restart applications using ldb, such as Samba, to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4888-2 https://ubuntu.com/security/notices/USN-4888-1 CVE-2020-27840, CVE-2021-20277 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...