Vulnerability in Apache HTTP Server
CVE-2007-3304
Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker_score and process_score arrays to reference an arbitrary process ID, which is sent a SIGUSR1 signal from the master process, aka "SIGUSR1 killer."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.7 (Medium). Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.033 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- Apache HTTP Server
- Canonical Ubuntu Linux — versions 6.06, 6.10, 7.04
- Fedoraproject Fedora — versions 7
- Red Hat Enterprise Linux Desktop — versions 5.0
- Red Hat Enterprise Linux Server — versions 5.0
- Red Hat Enterprise Linux Workstation — versions 5.0
Public proof-of-concept exploits
References
- secunia.com/advisories/28606 (Not Applicable, third-party-advisory)
- bugzilla.redhat.com/bugzilla/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.mandriva.com/security/advisories (vendor-advisory, Broken Link)
- secunia.com/advisories/26822 (Not Applicable, Vendor Advisory, third-party-advisory)
- www.vupen.com/english/advisories/2007/4305 (Permissions Required, vdb-entry)
- www.vupen.com/english/advisories/2007/3420 (Permissions Required, vdb-entry)
- www.redhat.com/support/errata/RHSA-2007-0557.html (vendor-advisory, Third Party Advisory)
- osvdb.org/38939 (vdb-entry, Broken Link)
- www-1.ibm.com/support/docview.wss (vendor-advisory, Third Party Advisory)
- www.mandriva.com/security/advisories (vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2007-3304?
- CVE-2007-3304 is a vulnerability in Apache HTTP Server. Published 2007-06-20.
- Is CVE-2007-3304 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.