CVE-2011-1092

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 17.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-03-15 · updated 2026-06-16
Weakness: CWE-189

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.

Affected products

PHP: through 5.3.5; 1.0, 2.0, 2.0b10, 3.0, 3.0.1, 3.0.2 (+102)

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/ChangeLog-5.php

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