Description
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."
Metrics
CVSS 2.0 4.7/10
AV:L/AC:M/Au:N/C:N/I:N/A:CAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://bugs.gentoo.org/show_bug.cgi?id=186219Issue Tracking, Third Party Advisory
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245111Issue Tracking, Third Party Advisory
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01182588Third Party Advisory
- http://httpd.apache.org/security/vulnerabilities_13.htmlVendor Advisory
- http://httpd.apache.org/security/vulnerabilities_20.htmlVendor Advisory
- http://httpd.apache.org/security/vulnerabilities_22.htmlVendor Advisory
- http://lists.vmware.com/pipermail/security-announce/2009/000062.htmlMailing List, Third Party Advisory
- http://mail-archives.apache.org/mod_mbox/httpd-dev/200706.mbox/%3c20070629141032.GA15192%40redhat.com%3e
- http://marc.info/?l=apache-httpd-dev&m=118252946632447&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://osvdb.org/38939Broken Link
- http://rhn.redhat.com/errata/RHSA-2007-0556.htmlThird Party Advisory
- http://secunia.com/advisories/25827Not Applicable, Vendor Advisory
- http://secunia.com/advisories/25830Not Applicable, Vendor Advisory
- http://secunia.com/advisories/25920Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26211Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26273Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26443Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26508Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26611Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26759Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26790Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26822Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26842Not Applicable, Vendor Advisory
- http://secunia.com/advisories/26993Not Applicable, Vendor Advisory
- http://secunia.com/advisories/27121Not Applicable
- http://secunia.com/advisories/27209Not Applicable
- http://secunia.com/advisories/27563Not Applicable
- http://secunia.com/advisories/27732Not Applicable
- http://secunia.com/advisories/28212Not Applicable
- http://secunia.com/advisories/28224Not Applicable
- http://secunia.com/advisories/28606Not Applicable
- http://security.gentoo.org/glsa/glsa-200711-06.xmlThird Party Advisory
- http://security.psnc.pl/files/apache_report.pdfThird Party Advisory
- http://securityreason.com/securityalert/2814Exploit, Third Party Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-103179-1Broken Link
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-200032-1Broken Link
- http://support.avaya.com/elmodocs2/security/ASA-2007-353.htmThird Party Advisory
- http://support.avaya.com/elmodocs2/security/ASA-2007-363.htmThird Party Advisory
- http://svn.apache.org/viewvc?view=rev&revision=547987Third Party Advisory
- http://www-1.ibm.com/support/docview.wss?uid=swg1PK52702Third Party Advisory
- http://www-1.ibm.com/support/docview.wss?uid=swg1PK53984Third Party Advisory
- http://www-1.ibm.com/support/search.wss?rs=0&q=PK50467&apar=onlyThird Party Advisory
- http://www.fujitsu.com/global/support/software/security/products-f/interstage-200802e.htmlThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:140Broken Link
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:142Broken Link
- http://www.novell.com/linux/security/advisories/2007_61_apache2.htmlBroken Link
- http://www.redhat.com/archives/fedora-package-announce/2007-September/msg00320.htmlMailing List, Third Party Advisory
- http://www.redhat.com/errata/RHSA-2007-0532.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2007-0557.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2007-0662.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2008-0261.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/469899/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/471832/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/505990/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/24215Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1018304Broken Link, Third Party Advisory, VDB Entry
- http://www.trustix.org/errata/2007/0026/Broken Link
- http://www.ubuntu.com/usn/usn-499-1Third Party Advisory
- http://www.vupen.com/english/advisories/2007/2727Permissions Required
- http://www.vupen.com/english/advisories/2007/3100Permissions Required
Timeline
- Published
- Jun 20, 2007
- Last modified
- Jun 16, 2026
- NVD status
- Modified