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CVE-2022-3996 Detail

Current Description

If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. Update (31 March 2023): The description of the policy processing enablement was corrected based on CVE-2023-0466.


View Analysis Description

Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://github.com/openssl/openssl/commit/7725e7bfe6f2ce8146b6552b44e0d226be7638e7 Patch  Third Party Advisory 
https://www.openssl.org/news/secadv/20221213.txt Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST   OpenSSL Software Foundation  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-3996
NVD Published Date:
12/13/2022
NVD Last Modified:
11/06/2023
Source:
OpenSSL Software Foundation