#VU41088 Buffer overflow in PHP - CVE-2014-8626

Vulnerability identifier: #VU41088

Vulnerability risk: Medium

CVSSv4.0: 2.7 [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:U/U:Green]

CVE-ID: CVE-2014-8626

CWE-ID: CWE-119

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 read and manipulate data.

Stack-based buffer overflow in the date_from_ISO8601 function in ext/xmlrpc/libxmlrpc/xmlrpc.c in PHP before 5.2.7 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by including a timezone field in a date, leading to improper XML-RPC encoding.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 5.2.0 - 5.2.5

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External links
https://git.php.net/?p=php-src.git;a=commit;h=c818d0d01341907fee82bdb81cab07b7d93bb9db
https://openwall.com/lists/oss-security/2014/11/06/3
https://php.net/ChangeLog-5.php
https://rhn.redhat.com/errata/RHSA-2014-1824.html
https://rhn.redhat.com/errata/RHSA-2014-1825.html
https://www.securityfocus.com/bid/70928
https://bugs.php.net/bug.php?id=45226
https://bugzilla.redhat.com/show_bug.cgi?id=1155607

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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.