Summary
It was discovered that OpenLDAP incorrectly handled Certificate Exact
Assertion processing. A remote attacker could possibly use this issue to
cause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36221)
It was discovered that OpenLDAP incorrectly handled saslAuthzTo processing.
A remote attacker could use this issue to cause OpenLDAP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-36222, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226)
It was discovered that OpenLDAP incorrectly handled Return Filter control
handling. A remote attacker could use this issue to cause OpenLDAP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2020-36223)
It was discovered that OpenLDAP incorrectly handled certain cancel
operations. A remote attacker could possibly use this issue to cause
OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36227)
It was discovered that OpenLDAP incorrectly handled Certificate List
Extract Assertion processing. A remote attacker could possibly use this
issue to cause OpenLDAP to crash, resulting in a denial of service.
(CVE-2020-36228)
It was discovered that OpenLDAP incorrectly handled X.509 DN parsing. A
remote attacker could possibly use this issue to cause OpenLDAP to crash,
resulting in a denial of service. (CVE-2020-36229, CVE-2020-36230)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | openldap | 2.4.42+dfsg-2ubuntu3.12 |
| Ubuntu · 18.04 LTS 18.04:LTS | openldap | 2.4.45+dfsg-1ubuntu1.9 |
| Ubuntu · 20.04 LTS 20.04:LTS | openldap | 2.4.49+dfsg-2ubuntu1.6 |
Vulnerabilities 10
-
Unscored —CVE-2020-36221 EPSS 85%
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Asserti…
-
Unscored —CVE-2020-36222 EPSS 77%
A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation,…
-
Unscored —
A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, …
-
Unscored —
A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo p…
-
Unscored —
A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing,…
-
Unscored —
A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAu…
-
Unscored —CVE-2020-36227 EPSS 77%
A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel opera…
-
Unscored —CVE-2020-36228 EPSS 85%
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact As…
-
Unscored —
A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in a…
-
Unscored —CVE-2020-36230 EPSS 12%
A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in dec…
References
-
report
https://ubuntu.com/security/CVE-2020-36221
-
report
https://ubuntu.com/security/CVE-2020-36222
-
report
https://ubuntu.com/security/CVE-2020-36223
-
report
https://ubuntu.com/security/CVE-2020-36224
-
report
https://ubuntu.com/security/CVE-2020-36225
-
report
https://ubuntu.com/security/CVE-2020-36226
-
report
https://ubuntu.com/security/CVE-2020-36227
-
report
https://ubuntu.com/security/CVE-2020-36228
-
report
https://ubuntu.com/security/CVE-2020-36229
-
report
https://ubuntu.com/security/CVE-2020-36230