#VU32705 Information disclosure in PHP - CVE-2013-1643

Vulnerability identifier: #VU32705

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-1643

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The SOAP parser in PHP before 5.3.23 and 5.4.x before 5.4.13 allows remote attackers to read arbitrary files via a SOAP WSDL file containing an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue in the soap_xmlParseFile and soap_xmlParseMemory functions. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-1824.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 5.3.0 - 5.3.22

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External links
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702221
https://git.php.net/?p=php-src.git;a=commit;h=8e76d0404b7f664ee6719fd98f0483f0ac4669d6
https://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
https://lists.opensuse.org/opensuse-security-announce/2013-07/msg00034.html
https://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html
https://rhn.redhat.com/errata/RHSA-2013-1307.html
https://rhn.redhat.com/errata/RHSA-2013-1615.html
https://secunia.com/advisories/55078
https://support.apple.com/kb/HT5880
https://www.debian.org/security/2013/dsa-2639
https://www.mandriva.com/security/advisories?name=MDVSA-2013:114
https://www.php.net/ChangeLog-5.php
https://www.ubuntu.com/usn/USN-1761-1
https://bugs.gentoo.org/show_bug.cgi?id=459904
https://bugzilla.redhat.com/show_bug.cgi?id=918187
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0101

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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.