CVE-2019-19906

Description

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.

References

https://www.openldap.org/its/index.cgi/Incoming?id=9123

https://www.debian.org/security/2019/dsa-4591

https://usn.ubuntu.com/4256-1/

https://support.apple.com/kb/HT211289

https://support.apple.com/kb/HT211288

https://seclists.org/bugtraq/2019/Dec/42

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OB4GSVOJ6ESHQNT5GSV63OX5D4KPSTGT/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MW6GZCLECGL2PBNHVNPJIX4RPVRVFR7R/

https://lists.debian.org/debian-lts-announce/2019/12/msg00027.html

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

https://github.com/cyrusimap/cyrus-sasl/issues/587

http://www.openwall.com/lists/oss-security/2022/02/23/4

http://seclists.org/fulldisclosure/2020/Jul/24

http://seclists.org/fulldisclosure/2020/Jul/23

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3