Ubuntu alert USN-4256-1 (cyrus-sasl2)
| From: | "Leonidas S. Barbosa" <leo.barbosa@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-4256-1] Cyrus SASL vulnerability | |
| Date: | Tue, 28 Jan 2020 10:52:30 -0300 | |
| Message-ID: | <20200128135230.GA27628@d4rkl41n> |
========================================================================== Ubuntu Security Notice USN-4256-1 January 28, 2020 cyrus-sasl2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: Cyrus SASL could be made to crash or execute arbitrary code if it received a specially crafted LDAP packet. Software Description: - cyrus-sasl2: Cyrus Simple Authentication and Security Layer Details: It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: libsasl2-2 2.1.27+dfsg-1ubuntu0.1 Ubuntu 18.04 LTS: libsasl2-2 2.1.27~101-g0780600+dfsg-3ubuntu2.1 Ubuntu 16.04 LTS: libsasl2-2 2.1.26.dfsg1-14ubuntu0.2 Ubuntu 14.04 ESM: libsasl2-2 2.1.25.dfsg1-17ubuntu0.1~esm1 Ubuntu 12.04 ESM: libsasl2-2 2.1.25.dfsg1-3ubuntu0.2 After a standard system update you need to restart services using SASL to effect the necessary changes. References: https://usn.ubuntu.com/4256-1 CVE-2019-19906 Package Information: https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27+d... https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27~1... https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.26.d... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...