Vulnerability in Apache HTTP Server
CVE-2013-4352
The cache_invalidate function in modules/cache/cache_storage.c in the mod_cache module in the Apache HTTP Server 2.4.6, when a caching forward proxy is enabled, allows remote HTTP servers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger a missing hostname value.
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: 0.115 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.115 · newest: 0.115 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.4.6
Public proof-of-concept exploits
References
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- svn.apache.org/viewvc/httpd/httpd/trunk/modules/cache/cache_storage.c
- svn.apache.org/viewvc/httpd/httpd/trunk/modules/cache/cache_storage.c
- bugzilla.redhat.com/show_bug.cgi
- lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd6… (mailing-list)
- lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209… (mailing-list)
- lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc58… (mailing-list)
- lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4… (mailing-list)
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af… (mailing-list)
- lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea46… (mailing-list)
Frequently asked questions
- What is CVE-2013-4352?
- CVE-2013-4352 is a vulnerability in Apache HTTP Server. Published 2014-07-20.
- Is CVE-2013-4352 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.