Multiple vulnerabilities in PHP

Published: 2011-05-31 | Updated: 2020-08-11

Risk	Medium
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2011-1657 CVE-2011-1938
CWE-ID	CWE-399 CWE-121
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #2 is available.
Vulnerable software Subscribe	PHP Universal components / Libraries / Scripting languages
Vendor	PHP Group

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource management error

EUVDB-ID: #VU44784

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-1657

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The (1) ZipArchive::addGlob and (2) ZipArchive::addPattern functions in ext/zip/php_zip.c in PHP 5.3.6 allow context-dependent attackers to cause a denial of service (application crash) via certain flags arguments, as demonstrated by (a) GLOB_ALTDIRFUNC and (b) GLOB_APPEND.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PHP: 5.3.6

External links

http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://securityreason.com/achievement_securityalert/100
http://securityreason.com/securityalert/8342
http://support.apple.com/kb/HT5130
http://svn.php.net/viewvc/?view=revision&revision=310814
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/zip/php_zip.c?view=log
http://www.mandriva.com/security/advisories?name=MDVSA-2011:165
http://www.openwall.com/lists/oss-security/2011/07/01/6
http://www.openwall.com/lists/oss-security/2011/07/01/7
http://www.openwall.com/lists/oss-security/2011/07/01/8
http://www.securityfocus.com/archive/1/519385/100/0/threaded
http://www.securityfocus.com/bid/49252
http://bugs.php.net/bug.php?id=54681
http://exchange.xforce.ibmcloud.com/vulnerabilities/69320

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.

2) Stack-based buffer overflow

EUVDB-ID: #VU45008

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:C]

CVE-ID: CVE-2011-1938

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: Yes

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.