CVE-2019-19906

Sažetak

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.

Reference

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://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
http://www.openwall.com/lists/oss-security/2022/02/23/4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MW6GZCLECGL2PBNHVNPJIX4RPVRVFR7R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OB4GSVOJ6ESHQNT5GSV63OX5D4KPSTGT/
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

CVSS

Base:	5.0
Impact:	2.9
Exploitability:	10.0

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

AV:N/AC:L/Au:N/C:N/I:N/A:P

Zadnje važnije ažuriranje

07-11-2023 - 03:07

Objavljeno

19-12-2019 - 18:15