NULL pointer dereference in Apache HTTP Server
CVE-2014-3581
The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP Content-Type header.
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: 0.136 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.136 · newest: 0.136 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.4.1, 2.4.2, 2.4.3
- Oracle Enterprise Manager Ops Center — versions 12.2.0, 12.2.1, 12.3.0
- Oracle Linux — versions 6
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Eus — versions 7.3, 7.4, 7.5
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.3, 7.4, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.3, 7.6, 7.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- svn.apache.org/viewvc (Patch, Vendor Advisory)
- security.gentoo.org/glsa/201610-02 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2015-0325.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (Third Party Advisory)
- www.ubuntu.com/usn/USN-2523-1 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (Third Party Advisory)
- www.securitytracker.com/id/1031005 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- exchange.xforce.ibmcloud.com/vulnerabilities/97027 (VDB Entry, Third Party Advisory, vdb-entry)
- svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES (Release Notes, Vendor Advisory)
- lists.apple.com/archives/security-announce/2015/Aug/msg00001.html (vendor-advisory, Mailing List, Broken Link)
Frequently asked questions
- What is CVE-2014-3581?
- CVE-2014-3581 is a vulnerability in Apache HTTP Server, classified under NULL Pointer Dereference. Published 2014-10-10.
- Is CVE-2014-3581 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.