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Security Advisories: GSA_kwCzR0hTQS1nMzIzLWZyOTMtNGozY83dRw

Resource leakage when decoding certificates and keys

The OPENSSL_LH_flush() function, which empties a hash table, contains a bug that breaks reuse of the memory occuppied by the removed hash table entries. This function is used when decoding certificates or keys. If a long lived process periodically decodes certificates or keys its memory usage will expand without bounds and the process might be terminated by the operating system causing a denial of service. Also traversing the empty hash table entries will take increasingly more time. Typically such long lived processes might be TLS clients or TLS servers configured to accept client certificate authentication. The function was added in the OpenSSL 3.0 version thus older releases are not affected by the issue. Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2).

Permalink: https://github.com/advisories/GHSA-g323-fr93-4j3c
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1nMzIzLWZyOTMtNGozY83dRw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 2 years ago
Updated: 8 months ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-g323-fr93-4j3c, CVE-2022-1473
References: Repository: https://github.com/github/advisory-database
Blast Radius: 26.7

Affected Packages

cargo:openssl-src
Dependent packages: 9
Dependent repositories: 3,600
Downloads: 18,993,906 total
Affected Version Ranges: >= 300.0.0, < 300.0.6
Fixed in: 300.0.6
All affected versions: 300.0.0, 300.0.1, 300.0.2, 300.0.3, 300.0.4, 300.0.5
All unaffected versions: 110.0.0, 110.0.0, 110.0.1, 110.0.2, 110.0.3, 110.0.4, 110.0.5, 110.0.6, 110.0.7, 111.0.0, 111.0.1, 111.1.0, 111.1.1, 111.2.1, 111.3.0, 111.4.0, 111.5.0, 111.6.0, 111.6.1, 111.7.0, 111.8.0, 111.8.1, 111.9.0, 111.10.0, 111.10.1, 111.10.2, 111.11.0, 111.12.0, 111.13.0, 111.14.0, 111.15.0, 111.16.0, 111.17.0, 111.18.0, 111.19.0, 111.20.0, 111.21.0, 111.22.0, 111.23.0, 111.24.0, 111.25.0, 111.25.1, 111.25.2, 111.25.3, 111.26.0, 111.27.0, 111.28.0, 111.28.1, 300.0.6, 300.0.7, 300.0.8, 300.0.9, 300.0.10, 300.0.11, 300.0.12, 300.0.13, 300.1.0, 300.1.1, 300.1.2, 300.1.3, 300.1.4, 300.1.5, 300.1.6, 300.2.0, 300.2.1, 300.2.2, 300.2.3