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prionPRIOn knowledge basePRION:CVE-2022-23527
HistoryDec 14, 2022 - 6:15 p.m.

Open redirect

2022-12-1418:15:00
PRIOn knowledge base
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8
mod_auth_openidc
open redirect
apache 2.x
vulnerable
patched
oidc_validate_redirect_url
regular expression
mitigation
nvd

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.0%

mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\t, leading to an open redirect. This issue has been patched in version 2.4.12.2. Users unable to upgrade can mitigate the issue by configuring mod_auth_openidc to only allow redirection when the destination matches a given regular expression with OIDCRedirectURLsAllowed.

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.0%