CVE-2025-3891 (GCVE-0-2025-3891)

Vulnerability from cvelistv5 – Published: 2025-04-29 11:56 – Updated: 2025-11-11 12:09
VLAI
Title
Mod_auth_openidc: dos via empty post in mod_auth_openidc with oidcpreservepost enabled
Summary
A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Affected: 2.0.0 , < 2.4.13.1 (semver)
Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020250426100353.489197e6 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 8020020250612174445.4cda2c84 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.2::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020250618101351.522a0ee4 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 8060020250617090503.ad008a3a , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 8060020250617090503.ad008a3a , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 8060020250617090503.ad008a3a , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 8080020250617090716.63b34585 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 8080020250617090716.63b34585 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.4.10-1.el9_6.2 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.4.9.4-1.el9_0.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.4.9.4-1.el9_2.3 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.4.9.4-4.el9_4.2 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Date Public
2025-04-29 11:37
Show details on NVD website
To clipboard 

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}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.