Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://seclists.org/fulldisclosure/2021/May/64
- http://seclists.org/fulldisclosure/2021/May/65
- http://seclists.org/fulldisclosure/2021/May/70
- https://bugs.openldap.org/show_bug.cgi?id=9413
- https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65
- https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26
- https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439
- https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
- https://security.netapp.com/advisory/ntap-20210226-0002/
- https://support.apple.com/kb/HT212529
- https://support.apple.com/kb/HT212530
- https://support.apple.com/kb/HT212531
- https://www.debian.org/security/2021/dsa-4845
- http://seclists.org/fulldisclosure/2021/May/64
- http://seclists.org/fulldisclosure/2021/May/65
- http://seclists.org/fulldisclosure/2021/May/70
- https://bugs.openldap.org/show_bug.cgi?id=9413
- https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65
- https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26
- https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439
- https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
- https://security.netapp.com/advisory/ntap-20210226-0002/
- https://support.apple.com/kb/HT212529
- https://support.apple.com/kb/HT212530
- https://support.apple.com/kb/HT212531
- https://www.debian.org/security/2021/dsa-4845
Products affected by CVE-2020-36226
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cpe:2.3:a:openldap:openldap:-
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cpe:2.3:a:openldap:openldap:2.0
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cpe:2.3:a:openldap:openldap:2.3.29
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cpe:2.3:a:openldap:openldap:2.4
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cpe:2.3:a:openldap:openldap:2.4.10
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cpe:2.3:a:openldap:openldap:2.4.11
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cpe:2.3:a:openldap:openldap:2.4.12
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cpe:2.3:a:openldap:openldap:2.4.13
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cpe:2.3:a:openldap:openldap:2.4.14
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cpe:2.3:a:openldap:openldap:2.4.15
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cpe:2.3:a:openldap:openldap:2.4.16
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cpe:2.3:a:openldap:openldap:2.4.17
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cpe:2.3:a:openldap:openldap:2.4.18
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cpe:2.3:a:openldap:openldap:2.4.19
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cpe:2.3:a:openldap:openldap:2.4.20
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cpe:2.3:a:openldap:openldap:2.4.21
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cpe:2.3:a:openldap:openldap:2.4.22
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cpe:2.3:a:openldap:openldap:2.4.23
-
cpe:2.3:a:openldap:openldap:2.4.24
-
cpe:2.3:a:openldap:openldap:2.4.25
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cpe:2.3:a:openldap:openldap:2.4.26
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cpe:2.3:a:openldap:openldap:2.4.27
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cpe:2.3:a:openldap:openldap:2.4.28
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cpe:2.3:a:openldap:openldap:2.4.29
-
cpe:2.3:a:openldap:openldap:2.4.30
-
cpe:2.3:a:openldap:openldap:2.4.31
-
cpe:2.3:a:openldap:openldap:2.4.32
-
cpe:2.3:a:openldap:openldap:2.4.33
-
cpe:2.3:a:openldap:openldap:2.4.34
-
cpe:2.3:a:openldap:openldap:2.4.35
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cpe:2.3:a:openldap:openldap:2.4.36
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cpe:2.3:a:openldap:openldap:2.4.37
-
cpe:2.3:a:openldap:openldap:2.4.38
-
cpe:2.3:a:openldap:openldap:2.4.39
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cpe:2.3:a:openldap:openldap:2.4.40
-
cpe:2.3:a:openldap:openldap:2.4.41
-
cpe:2.3:a:openldap:openldap:2.4.42
-
cpe:2.3:a:openldap:openldap:2.4.43
-
cpe:2.3:a:openldap:openldap:2.4.44
-
cpe:2.3:a:openldap:openldap:2.4.45
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cpe:2.3:a:openldap:openldap:2.4.46
-
cpe:2.3:a:openldap:openldap:2.4.46-10.el8
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cpe:2.3:a:openldap:openldap:2.4.47
-
cpe:2.3:a:openldap:openldap:2.4.48
-
cpe:2.3:a:openldap:openldap:2.4.50
-
cpe:2.3:a:openldap:openldap:2.4.51
-
cpe:2.3:a:openldap:openldap:2.4.52
-
cpe:2.3:a:openldap:openldap:2.4.53
-
cpe:2.3:a:openldap:openldap:2.4.54
-
cpe:2.3:a:openldap:openldap:2.4.55
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cpe:2.3:a:openldap:openldap:2.4.56
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cpe:2.3:a:openldap:openldap:2.4.6
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cpe:2.3:a:openldap:openldap:2.4.7
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cpe:2.3:a:openldap:openldap:2.4.8
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cpe:2.3:a:openldap:openldap:2.4.9
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cpe:2.3:o:apple:mac_os_x:10.14.0
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cpe:2.3:o:apple:mac_os_x:10.14.1
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cpe:2.3:o:apple:mac_os_x:10.14.2
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cpe:2.3:o:apple:mac_os_x:10.14.3
-
cpe:2.3:o:apple:mac_os_x:10.14.4
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cpe:2.3:o:apple:mac_os_x:10.14.5
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cpe:2.3:o:apple:mac_os_x:10.14.6
-
cpe:2.3:o:apple:macos:11.1
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cpe:2.3:o:apple:macos:11.1.0
-
cpe:2.3:o:apple:macos:11.2
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cpe:2.3:o:apple:macos:11.2.1
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cpe:2.3:o:apple:macos:11.3
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cpe:2.3:o:apple:macos:11.3.1
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:9.0