Resource exhaustion in Apache HTTP Server
CVE-2022-29404
In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to no default limit on possible input size.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.062 (93.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.064 · newest: 0.062 · change: -0.002
Affected products
- Apache HTTP Server
- Apache Software Foundation HTTP Server — versions unspecified
- NetApp Clustered Data Ontap
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/06/08/5 (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220624-0005/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202208-20 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-29404?
- CVE-2022-29404 is a high-severity vulnerability in Apache HTTP Server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-06-09.
- How severe is CVE-2022-29404?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-29404 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.