Vulnerability Monitor

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CVE-2020-36226

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Published

2021-01-26T18:15:57.100

Last Modified

2024-11-21T05:29:05.400

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openldap	openldap	< 2.4.57	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	apple	mac_os_x	< 10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	macos	< 11.4	Yes

References

http://seclists.org/fulldisclosure/2021/May/64 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/May/65 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/May/70 Mailing List, Third Party Advisory ([email protected])
https://bugs.openldap.org/show_bug.cgi?id=9413 Issue Tracking, Vendor Advisory ([email protected])
https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 Patch, Vendor Advisory ([email protected])
https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26 Patch, Vendor Advisory ([email protected])
https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439 Patch, Vendor Advisory ([email protected])
https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8 Patch, Vendor Advisory ([email protected])
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes, Vendor Advisory ([email protected])
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E ([email protected])
https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3E ([email protected])
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E ([email protected])
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212529 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212530 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212531 Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4845 Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/May/64 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/May/65 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/May/70 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.openldap.org/show_bug.cgi?id=9413 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212529 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212530 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212531 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4845 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)