IM
IronMonkey Threat Research

CVE-2019-19906 HIGH

Published: 2019-12-19 | Last Modified: 2024-11-21 | Status: Modified

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.

Additional Descriptions (1)

cyrus-sasl (también se conoce como Cyrus SASL) versión 2.1.27, presenta una escritura fuera de límites conllevando a una denegación de servicio remota no autenticada en OpenLDAP por medio de un paquete LDAP malformado. El bloqueo de OpenLDAP es causado en última instancia por un error por un paso en la función _sasl_add_string en el archivo common.c en cyrus-sasl.

CVSS Metrics

Base Score: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-193
en CWE-787

Affected Products

Vendor Product Version Update Type
cyrusimap cyrus-sasl * <built-in method update of dict object at 0x72a9ccf8ab80> Application
debian debian_linux 8.0 <built-in method update of dict object at 0x72a9b0c12480> Operating System
debian debian_linux 9.0 <built-in method update of dict object at 0x72a9ccf89b00> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x72a9b0c10780> Operating System
canonical ubuntu_linux 12.04 <built-in method update of dict object at 0x72a9b0928380> Operating System
canonical ubuntu_linux 14.04 <built-in method update of dict object at 0x72a9b092a880> Operating System
canonical ubuntu_linux 16.04 <built-in method update of dict object at 0x72a9b0c13280> Operating System
canonical ubuntu_linux 18.04 <built-in method update of dict object at 0x72a9ccf89fc0> Operating System
canonical ubuntu_linux 19.10 <built-in method update of dict object at 0x72a9ccf8ae00> Operating System
fedoraproject fedora 31 <built-in method update of dict object at 0x72a9b092b240> Operating System
fedoraproject fedora 32 <built-in method update of dict object at 0x72a9cd07a8c0> Operating System
redhat jboss_enterprise_web_server 2.0.0 <built-in method update of dict object at 0x72a9cd079640> Application
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9ccf89340> Operating System
redhat enterprise_linux 5.0 <built-in method update of dict object at 0x72a9cc7d00c0> Operating System
redhat enterprise_linux 6.0 <built-in method update of dict object at 0x72a9b092be80> Operating System
redhat enterprise_linux 7.0 <built-in method update of dict object at 0x72a9b09295c0> Operating System
redhat enterprise_linux 8.0 <built-in method update of dict object at 0x72a9ccf8aec0> Operating System
redhat enterprise_linux_eus 8.4 <built-in method update of dict object at 0x72a9ccf8a940> Operating System
redhat enterprise_linux_for_ibm_z_systems 8.0 <built-in method update of dict object at 0x72a9ccf88280> Operating System
redhat enterprise_linux_for_ibm_z_systems_eus 8.4 <built-in method update of dict object at 0x72a9b0929e00> Operating System
redhat enterprise_linux_for_power_little_endian 8.0 <built-in method update of dict object at 0x72a9cd07a600> Operating System
redhat enterprise_linux_for_power_little_endian_eus 8.4 <built-in method update of dict object at 0x72a9b092b2c0> Operating System
redhat enterprise_linux_server_aus 8.4 <built-in method update of dict object at 0x72a9ccf8b880> Operating System
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.4 <built-in method update of dict object at 0x72a9ccf8b000> Operating System
redhat enterprise_linux_server_tus 8.4 <built-in method update of dict object at 0x72a9cc7f5ac0> Operating System
redhat enterprise_linux_server_update_services_for_sap_solutions 8.4 <built-in method update of dict object at 0x72a9ccf8bac0> Operating System
apple ipados 13.6 <built-in method update of dict object at 0x72a9ccf89100> Operating System
apple iphone_os 13.6 <built-in method update of dict object at 0x72a9b0928500> Operating System
apple mac_os_x * <built-in method update of dict object at 0x72a9b0c12200> Operating System
apple mac_os_x * <built-in method update of dict object at 0x72a9b0dcc9c0> Operating System
apple mac_os_x * <built-in method update of dict object at 0x72a9b0dcecc0> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9ccf89a80> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dcc700> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dcc300> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dcf440> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dce4c0> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dcdcc0> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dcfd00> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dced40> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0dcff80> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9b0aaca40> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9ccf88a80> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9ccf8a800> Operating System
apple mac_os_x 10.13.6 <built-in method update of dict object at 0x72a9ccf8aa40> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9ccf8ac80> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9ccf8a640> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9ccf88940> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9cc7d0440> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9cc7d2580> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9cc7d01c0> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9cc47ab00> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9cc479680> Operating System
apple mac_os_x 10.14.6 <built-in method update of dict object at 0x72a9cc478580> Operating System
apache bookkeeper 4.12.1 <built-in method update of dict object at 0x72a9cc47aa00> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:cyrusimap:cyrus-sasl:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:redhat:jboss_enterprise_web_server:2.0.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
Yes cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:apple:ipados:13.6:*:*:*:*:*:*:*
Yes cpe:2.3:o:apple:iphone_os:13.6:*:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-003:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
Yes cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:apache:bookkeeper:4.12.1:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:o:centos:centos:7.0:*:*:*:*:*:*:*

References

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