CVE-2019-20479 — A flaw was found in mod_auth_openidc before version 2
A flaw was found in mod_auth_openidc before version 2.4.1. An open redirect issue exists in URLs with a slash and backslash at the beginning.
Published
2020-02-20T00:00:00.000Z
Last modified
2024-08-05T02:39:10.083Z
01What is this vulnerability?
A flaw was found in mod_auth_openidc before version 2.4.1. An open redirect issue exists in URLs with a slash and backslash at the beginning.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-02-20T00:00:00.000Z
- Last modified: 2024-08-05T02:39:10.083Z
09References
- github.com — https://github.com/zmartzone/mod_auth_openidc/pull/453
- github.com — https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/02/msg00035.html
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00036.html
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html
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