MEDIUM
scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00002.html
http://marc.info/?l=bugtraq&m=133294460209056&w=2
http://marc.info/?l=bugtraq&m=133494237717847&w=2
http://marc.info/?l=bugtraq&m=134987041210674&w=2
http://rhn.redhat.com/errata/RHSA-2012-0128.html
http://rhn.redhat.com/errata/RHSA-2012-0542.html
http://rhn.redhat.com/errata/RHSA-2012-0543.html
http://secunia.com/advisories/47410
http://secunia.com/advisories/48551
http://support.apple.com/kb/HT5501
http://svn.apache.org/viewvc?view=revision&revision=1230065
http://www.debian.org/security/2012/dsa-2405
http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/
http://www.mandriva.com/security/advisories?name=MDVSA-2012:012
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
http://www.securityfocus.com/bid/51407
https://bugzilla.redhat.com/show_bug.cgi?id=773744
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E