OpenLDAP up to 2.4.56 Certificate List Exact Assertion integer underflow

Summaryinfo

A vulnerability identified as critical has been detected in OpenLDAP up to 2.4.56. Impacted is an unknown function of the component Certificate List Exact Assertion. Performing a manipulation results in integer underflow. This vulnerability was named CVE-2020-36228. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in OpenLDAP up to 2.4.56 (Directory Service Software). This affects some unknown functionality of the component Certificate List Exact Assertion. The manipulation with an unknown input leads to a integer underflow vulnerability. CWE is classifying the issue as CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/27/2021. It is possible to read the advisory at bugs.openldap.org. This vulnerability is uniquely identified as CVE-2020-36228. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.4.57 eliminates this vulnerability. The upgrade is hosted for download at git.openldap.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.openldap.org. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Directory Service Software

Name

• OpenLDAP

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.4.12
• 2.4.13
• 2.4.14
• 2.4.15
• 2.4.16
• 2.4.17
• 2.4.18
• 2.4.19
• 2.4.20
• 2.4.21
• 2.4.22
• 2.4.23
• 2.4.24
• 2.4.25
• 2.4.26
• 2.4.27
• 2.4.28
• 2.4.29
• 2.4.30
• 2.4.31
• 2.4.32
• 2.4.33
• 2.4.34
• 2.4.35
• 2.4.36
• 2.4.37
• 2.4.38
• 2.4.39
• 2.4.40
• 2.4.41
• 2.4.42
• 2.4.43
• 2.4.44
• 2.4.45
• 2.4.46
• 2.4.47
• 2.4.48
• 2.4.49
• 2.4.50
• 2.4.51
• 2.4.52
• 2.4.53
• 2.4.54
• 2.4.55
• 2.4.56

License

• open-source

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
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CVSSv2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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