Vulnerability in Apache HTTP Server
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 server could allow a user with valid credentials to authenticate using another username, bypassing configured access control restrictions.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.174 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.174 · newest: 0.174 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.4.0 to 2.4.38
- Apache HTTP Server
- NetApp Clustered Data Ontap
- NetApp Oncommand Unified Manager
- Oracle Enterprise Manager Ops Center — versions 12.3.3, 12.4.0
- Oracle HTTP Server — versions 12.2.1.3.0
- Oracle Retail Xstore Point Of Service — versions 7.0, 7.1
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 28, 29, 30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/e0b8f6e858b1c8ec2ce8e291a2c543d438915037c7af661ab6… (mailing-list)
- www.openwall.com/lists/oss-security/2019/04/02/5 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/107668 (VDB Entry, Third Party Advisory, vdb-entry)
- seclists.org/bugtraq/2019/Apr/5 (mailing-list, Mailing List, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2019/04/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3937-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2019/dsa-4422 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-0217?
- CVE-2019-0217 is a high-severity vulnerability in Apache HTTP Server, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2019-04-08.
- How severe is CVE-2019-0217?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-0217 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.