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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- apache / bookkeeper4.12.1 – 4.12.1
- Apple / iPadOS13.6 – 13.6
- Apple / iphone_os13.6 – 13.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.13.6 – 10.13.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Apple / mac_os_x10.14.6 – 10.14.6
- Canonical / Ubuntu Linux19.10 – 19.10
- Canonical / Ubuntu Linux12.04 – 12.04
- Canonical / Ubuntu Linux14.04 – 14.04
- Canonical / Ubuntu Linux16.04 – 16.04
- Canonical / Ubuntu Linux18.04 – 18.04
- cyrusimap / cyrus-sasl2.1.28
- Debian / debian_linux9.0 – 9.0
- Debian / debian_linux8.0 – 8.0
- Debian / debian_linux10.0 – 10.0
- fedoraproject / fedora32 – 32
- fedoraproject / fedora31 – 31
- RedHat / enterprise_linux5.0 – 5.0
- RedHat / enterprise_linux6.0 – 6.0
- RedHat / enterprise_linux7.0 – 7.0
- RedHat / enterprise_linux8.0 – 8.0
- RedHat / enterprise_linux_eus8.4 – 8.4
- RedHat / enterprise_linux_for_ibm_z_systems8.0 – 8.0
- RedHat / enterprise_linux_for_ibm_z_systems_eus8.4 – 8.4
- RedHat / enterprise_linux_for_power_little_endian8.0 – 8.0
- RedHat / enterprise_linux_for_power_little_endian_eus8.4 – 8.4
- RedHat / enterprise_linux_server_aus8.4 – 8.4
- RedHat / enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions8.4 – 8.4
- RedHat / enterprise_linux_server_tus8.4 – 8.4
- RedHat / enterprise_linux_server_update_services_for_sap_solutions8.4 – 8.4
- RedHat / jboss_enterprise_web_server2.0.0 – 2.0.0
References
- MISChttps://github.com/cyrusimap/cyrus-sasl/issues/587
- MISChttps://www.openldap.org/its/index.cgi/Incoming?id=9123
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2019/12/msg00027.html
- VENDOR_ADVISORYhttps://www.debian.org/security/2019/dsa-4591
- MAILING_LISThttps://seclists.org/bugtraq/2019/Dec/42
- VENDOR_ADVISORYhttps://usn.ubuntu.com/4256-1/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MW6GZCLECGL2PBNHVNPJIX4RPVRVFR7R/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OB4GSVOJ6ESHQNT5GSV63OX5D4KPSTGT/
- VENDOR_ADVISORYhttps://support.apple.com/kb/HT211288
- VENDOR_ADVISORYhttps://support.apple.com/kb/HT211289
- MAILING_LISThttp://seclists.org/fulldisclosure/2020/Jul/24
- MAILING_LISThttp://seclists.org/fulldisclosure/2020/Jul/23
- MAILING_LISThttps://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- MAILING_LISThttps://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2022/02/23/4
Updated 10m ago · 8 sources