Reusing a Nonce Affecting cjose-devel package, versions <0:0.6.1-2.module+el8.3.0+129+2feafa46


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-ROCKY8-CJOSEDEVEL-3204612
  • published5 Jan 2023
  • disclosed26 Jul 2021

Introduced: 26 Jul 2021

CVE-2021-32791  (opens in a new tab)
CWE-323  (opens in a new tab)
CWE-330  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 cjose-devel to version 0:0.6.1-2.module+el8.3.0+129+2feafa46 or higher.
This issue was patched in RLSA-2022:1823.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cjose-devel package and not the cjose-devel package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, the AES GCM encryption in mod_auth_openidc uses a static IV and AAD. It is important to fix because this creates a static nonce and since aes-gcm is a stream cipher, this can lead to known cryptographic issues, since the same key is being reused. From 2.4.9 onwards this has been patched to use dynamic values through usage of cjose AES encryption routines.

CVSS Scores

version 3.1