Resource exhaustion in Apache HTTP Server
CVE-2014-0118
The deflate_in_filter function in mod_deflate.c in the mod_deflate module in the Apache HTTP Server before 2.4.10, when request body decompression is enabled, allows remote attackers to cause a denial of service (resource consumption) via crafted request data that decompresses to a much larger size.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.372 (98.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.372 · newest: 0.372 · change: 0.000
Affected products
- Apache HTTP Server
- Debian Linux — versions 7.0, 8.0
- Red Hat Enterprise Linux — versions 5.0, 6.0
- Red Hat Jboss Enterprise Application Platform — versions 6.0.0, 6.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory, Issue Tracking)
- advisories.mageia.org/MGASA-2014-0305.html (Third Party Advisory)
- www.debian.org/security/2014/dsa-2989 (vendor-advisory, Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory, Issue Tracking)
- support.apple.com/HT204659 (Third Party Advisory)
- httpd.apache.org/security/vulnerabilities_24.html (Patch, Vendor Advisory)
- svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES (Vendor Advisory)
- security.gentoo.org/glsa/201504-03 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2014-1020.html (vendor-advisory, Third Party Advisory)
- svn.apache.org/viewvc/httpd/httpd/trunk/modules/filters/mod_deflate.c (Vendor Advisory)
Frequently asked questions
- What is CVE-2014-0118?
- CVE-2014-0118 is a vulnerability in Apache HTTP Server, classified under Uncontrolled Resource Consumption. Published 2014-07-20.
- Is CVE-2014-0118 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.