Home/CVE/In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in mod_auth_digest when running in a threaded serve
CVE

CVE-2019-0217

In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in mod_auth_digest when running in a threaded serve

In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in mod_auth_digest when running in a threaded server could allow a user with valid credentials to authenticate using another username, bypassing configured access control restrictions.

HIGH · CVSS 7.5 EPSS 0.43022
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
▤

Affected Products & Versions

14
apache http server>= 2.4.0 and <= 2.4.38
debian linuxall versions
fedoraproject fedoraall versions
canonical ubuntu linuxall versions
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Apr 2019 · 09:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

14
rhsaRHSA-2019:4126Moderate
rhsaRHSA-2019:3932Important
rhsaRHSA-2019:3933Important
rhsaRHSA-2019:3935Important
rhsaRHSA-2019:3436Moderate
🔗

References & Sources

33
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/02/5Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/107668Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1695020Issue TrackingThird Party Advisory
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