PHP up to 5.5.0 Zend Server input validation ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in PHP (Programming Language Software). It has been rated as critical. Affected by this issue is an unknown code of the component Zend Server. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

** DISPUTED ** The Zend Engine in PHP before 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash) via a crafted function definition, as demonstrated by an attack within a shared web-hosting environment. NOTE: the vendor s http://php.net/security-note.php page says "for critical security situations you should be using OS-level security by running multiple web servers each as their own user id."

The weakness was released 05/20/2013 by Juha Kylmänen as not defined advisory (Website). The advisory is shared for download at bugs.php.net. This vulnerability is handled as CVE-2013-3735 since 05/31/2013. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 77455 (GLSA-201408-11 : PHP: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 5.5.0 RC2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (77455), SecurityFocus (BID 58224†) and OSVDB (93798†). Entries connected to this vulnerability are available at VDB-7893, VDB-7894 and VDB-9978.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 77455
Nessus Name: GLSA-201408-11 : PHP: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201408-11
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: PHP 5.5.0 RC2
Patch: github.com

Timelineinfo

02/21/2013 🔍
05/20/2013 +88 days 🔍
05/20/2013 +0 days 🔍
05/31/2013 +11 days 🔍
05/31/2013 +0 days 🔍
06/04/2013 +4 days 🔍
08/30/2014 +451 days 🔍
01/17/2025 +3793 days 🔍

Sourcesinfo

Product: php.org

Advisory: bugs.php.net
Researcher: Juha Kylmänen
Status: Confirmed
Confirmation: 🔍
Disputed: 🔍

CVE: CVE-2013-3735 (🔍)
SecurityFocus: 58224
OSVDB: 93798

See also: 🔍

Entryinfo

Created: 06/04/2013 11:41 AM
Updated: 01/17/2025 12:27 AM
Changes: 06/04/2013 11:41 AM (57), 08/13/2018 07:02 AM (11), 05/14/2021 09:17 AM (4), 08/06/2024 07:34 PM (16), 01/17/2025 12:27 AM (12)
Complete: 🔍
Committer:
Cache ID: 18:AD8:40

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