Input validation error in PHP



| Updated: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-5120
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 PHP
Universal components / Libraries / Scripting languages

Vendor PHP Group

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32501

Risk: Medium

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

CVE-ID: CVE-2014-5120

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

gd_ctx.c in the GD component in PHP 5.4.x before 5.4.32 and 5.5.x before 5.5.16 does not ensure that pathnames lack %00 sequences, which might allow remote attackers to overwrite arbitrary files via crafted input to an application that calls the (1) imagegd, (2) imagegd2, (3) imagegif, (4) imagejpeg, (5) imagepng, (6) imagewbmp, or (7) imagewebp function.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PHP: 5.4.0 - 5.4.31

CPE2.3 External links

https://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
https://lists.opensuse.org/opensuse-updates/2014-09/msg00024.html
https://php.net/ChangeLog-5.php
https://rhn.redhat.com/errata/RHSA-2014-1327.html
https://rhn.redhat.com/errata/RHSA-2014-1765.html
https://rhn.redhat.com/errata/RHSA-2014-1766.html
https://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
https://bugs.php.net/bug.php?id=67730
https://support.apple.com/HT204659


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.



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