Vulnerability CVE-2011-1092
Published: 2011-03-15   Modified: 2012-02-13

Description:
Integer overflow in ext/shmop/shmop.c in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (crash) and possibly read sensitive memory via a large third argument to the shmop_read function.

See advisories in our WLB2 database:
Topic
Author
Date
High
PHP <= 5.3.6 shmop_read() Integer Overflow DoS
Jose Carlos Nort...
17.03.2011

Type:

CWE-189

 (Numeric Errors)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
PHP -> PHP 

 References:
http://bugs.php.net/bug.php?id=54193
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://marc.info/?l=bugtraq&m=133469208622507&w=2
http://securityreason.com/securityalert/8130
http://support.apple.com/kb/HT5002
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/shmop/shmop.c?r1=306939&r2=309018&pathrev=309018
http://www.exploit-db.com/exploits/16966
http://www.mandriva.com/security/advisories?name=MDVSA-2011:052
http://www.mandriva.com/security/advisories?name=MDVSA-2011:053
http://www.openwall.com/lists/oss-security/2011/03/08/11
http://www.openwall.com/lists/oss-security/2011/03/08/9
http://www.php.net/archive/2011.php
http://www.php.net/ChangeLog-5.php
http://www.php.net/releases/5_3_6.php
http://www.securityfocus.com/bid/46786
http://www.vupen.com/english/advisories/2011/0744
https://bugzilla.redhat.com/show_bug.cgi?id=683183
https://exchange.xforce.ibmcloud.com/vulnerabilities/65988
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