Vulnerability CVE-2007-3304
Published: 2007-06-20   Modified: 2012-02-12

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."

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Apache Prefork MPM vulnerabilities - Report
Blazej Miga
22.06.2007

Type:

CWE-Other

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.7/10
6.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Apache -> Http server 

 References:
ftp://patches.sgi.com/support/free/security/advisories/20070701-01-P.asc
http://bugs.gentoo.org/show_bug.cgi?id=186219
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245111
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01182588
http://httpd.apache.org/security/vulnerabilities_13.html
http://httpd.apache.org/security/vulnerabilities_20.html
http://httpd.apache.org/security/vulnerabilities_22.html
http://lists.vmware.com/pipermail/security-announce/2009/000062.html
http://mail-archives.apache.org/mod_mbox/httpd-dev/200706.mbox/%3c20070629141032.GA15192@redhat.com%3e
http://marc.info/?l=apache-httpd-dev&m=118252946632447&w=2
http://rhn.redhat.com/errata/RHSA-2007-0556.html
http://security.gentoo.org/glsa/glsa-200711-06.xml
http://security.psnc.pl/files/apache_report.pdf
http://securityreason.com/securityalert/2814
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103179-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200032-1
http://support.avaya.com/elmodocs2/security/ASA-2007-353.htm
http://support.avaya.com/elmodocs2/security/ASA-2007-363.htm
http://svn.apache.org/viewvc?view=rev&revision=547987
http://www-1.ibm.com/support/docview.wss?uid=swg1PK52702
http://www-1.ibm.com/support/docview.wss?uid=swg1PK53984
http://www-1.ibm.com/support/search.wss?rs=0&q=PK50467&apar=only
http://www.fujitsu.com/global/support/software/security/products-f/interstage-200802e.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:140
http://www.mandriva.com/security/advisories?name=MDKSA-2007:142
http://www.novell.com/linux/security/advisories/2007_61_apache2.html
http://www.redhat.com/archives/fedora-package-announce/2007-September/msg00320.html
http://www.redhat.com/errata/RHSA-2007-0532.html
http://www.redhat.com/support/errata/RHSA-2007-0557.html
http://www.redhat.com/support/errata/RHSA-2007-0662.html
http://www.redhat.com/support/errata/RHSA-2008-0261.html
http://www.securityfocus.com/archive/1/469899/100/0/threaded
http://www.securityfocus.com/archive/1/471832/100/0/threaded
http://www.securityfocus.com/archive/1/505990/100/0/threaded
http://www.securityfocus.com/bid/24215
http://www.securitytracker.com/id?1018304
http://www.trustix.org/errata/2007/0026/
http://www.ubuntu.com/usn/usn-499-1
http://www.vupen.com/english/advisories/2007/2727
http://www.vupen.com/english/advisories/2007/3100
http://www.vupen.com/english/advisories/2007/3283
http://www.vupen.com/english/advisories/2007/3420
http://www.vupen.com/english/advisories/2007/3494
http://www.vupen.com/english/advisories/2007/4305
http://www.vupen.com/english/advisories/2008/0233
https://exchange.xforce.ibmcloud.com/vulnerabilities/35095
https://issues.rpath.com/browse/RPL-1710
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11589
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