Log in Start free

Vulnerability · Published Jul 26, 2021 · Assigned by GitHub_M

CVE-2021-32792XSS vulnerability when using OIDCPreservePost On in mod_auth_openidc

Low 3.1

In plain English

A low-severity cross-site scripting in mod_auth_openidc from zmartzone. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)1.5%top 25.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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, there is an XSS vulnerability in when using `OIDCPreservePost On`.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8cjose0.6.1-2.module_el8.6.0+2868+44838709ALSA-2022:1823
AlmaLinux:8cjose-devel0.6.1-2.module_el8.6.0+2868+44838709ALSA-2022:1823
AlmaLinux:8mod_auth_openidc2.3.7-11.module_el8.6.0+2868+44838709ALSA-2022:1823
Debian:12libapache2-mod-auth-openidc2.4.9-1DEBIAN-CVE-2021-32792
Debian:13libapache2-mod-auth-openidc2.4.9-1DEBIAN-CVE-2021-32792
Debian:14libapache2-mod-auth-openidc2.4.9-1DEBIAN-CVE-2021-32792
Rocky Linux:8cjose0:0.6.1-2.module+el8.3.0+129+2feafa46RLSA-2022:1823
Rocky Linux:8mod_auth_openidc0:2.3.7-11.module+el8.6.0+840+73eca44eRLSA-2022:1823

Affected products (as reported)

VendorProductVersions
zmartzone mod_auth_openidc < 2.4.9

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

References