CVE-2019-19906
cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.
- Score
- CVSS 3.1 7.5 High
- Status
- Modified - cve@mitre.org
- Published
- 2019-12-19
- Last modified
- 2026-10-14
- Weaknesses
- CWE-193, CWE-787
Affected products
- Bookkeeper (Apache)
- Ipados (Apple)
- Iphone Os (Apple)
- Mac Os X (Apple)
- Ubuntu Linux (Canonical)
- Cyrus-sasl (Cyrusimap)
- Debian Linux (Debian)
- Fedora (Fedoraproject)
- Enterprise Linux (Redhat)
- Enterprise Linux Eus (Redhat)
- Enterprise Linux For Ibm Z Systems (Redhat)
- Enterprise Linux For Ibm Z Systems Eus (Redhat)
- Enterprise Linux For Power Little Endian (Redhat)
- Enterprise Linux For Power Little Endian Eus (Redhat)
- Enterprise Linux Server Aus (Redhat)
- Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions (Redhat)
- Enterprise Linux Server Tus (Redhat)
- Enterprise Linux Server Update Services For Sap Solutions (Redhat)
- Jboss Enterprise Web Server (Redhat)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
References
- https://github.com/cyrusimap/cyrus-sasl/issues/587
- https://www.openldap.org/its/index.cgi/Incoming?id=9123
- https://lists.debian.org/debian-lts-announce/2019/12/msg00027.html
- https://www.debian.org/security/2019/dsa-4591
- https://seclists.org/bugtraq/2019/Dec/42
- https://usn.ubuntu.com/4256-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MW6GZCLECGL2PBNHVNPJIX…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OB4GSVOJ6ESHQNT5GSV63O…
- https://support.apple.com/kb/HT211288
- https://support.apple.com/kb/HT211289
- http://seclists.org/fulldisclosure/2020/Jul/24
- http://seclists.org/fulldisclosure/2020/Jul/23
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.a…
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.a…
- http://www.openwall.com/lists/oss-security/2022/02/23/4
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
