Buffer overflow in Apache HTTP Server
CVE-2014-3583
The handle_headers function in mod_proxy_fcgi.c in the mod_proxy_fcgi module in the Apache HTTP Server 2.4.10 allows remote FastCGI servers to cause a denial of service (buffer over-read and daemon crash) via long response headers.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.108 (95.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.108 · newest: 0.108 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.4.10
- Apple Mac OS X — versions 10.9.5, 10.10.0, 10.10.1
- Apple OS X Server — versions 5.0.3
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi
- www.ubuntu.com/usn/USN-2523-1 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- svn.apache.org/viewvc (Vendor Advisory)
- lists.apple.com/archives/security-announce/2015/Aug/msg00001.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2015-1855.html (vendor-advisory)
- www.securityfocus.com/bid/71657 (vdb-entry)
- support.apple.com/kb/HT205031
- lists.apple.com/archives/security-announce/2015/Sep/msg00004.html (vendor-advisory)
Frequently asked questions
- What is CVE-2014-3583?
- CVE-2014-3583 is a vulnerability in Apache HTTP Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-12-15.
- Is CVE-2014-3583 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.