#VU45008 Stack-based buffer overflow in PHP - CVE-2011-1938
Vulnerability identifier: #VU45008
Vulnerability risk: Medium
CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID:
CWE-ID:
CWE-121
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
PHP
Universal components / Libraries /
Scripting languages
Vendor: PHP Group
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a long pathname for a UNIX socket. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
PHP: 5.3.3 - 5.3.6
External links
https://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
https://marc.info/?l=bugtraq&m=133469208622507&w=2
https://openwall.com/lists/oss-security/2011/05/24/1
https://openwall.com/lists/oss-security/2011/05/24/9
https://osvdb.org/72644
https://securityreason.com/securityalert/8262
https://securityreason.com/securityalert/8294
https://support.apple.com/kb/HT5130
https://svn.php.net/viewvc/php/php-src/trunk/ext/sockets/sockets.c?r1=311369&r2=311368&pathrev=311369
https://svn.php.net/viewvc?view=revision&revision=311369
https://www.debian.org/security/2012/dsa-2399
https://www.exploit-db.com/exploits/17318/
https://www.mandriva.com/security/advisories?name=MDVSA-2011:165
https://www.php.net/archive/2011.php#id2011-08-18-1
https://www.php.net/ChangeLog-5.php#5.3.7
https://www.redhat.com/support/errata/RHSA-2011-1423.html
https://www.securityfocus.com/bid/49241
https://exchange.xforce.ibmcloud.com/vulnerabilities/67606
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
