PHP 5.4.41/5.5.25/5.6.9 File Name Null Character input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP 5.4.41/5.5.25/5.6.9. It has been classified as critical. This vulnerability affects unknown code of the component File Name Handler. This manipulation as part of Null Character causes input validation. This vulnerability appears as CVE-2015-4598. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in PHP 5.4.41/5.5.25/5.6.9 (Programming Language Software). Affected by this vulnerability is an unknown code block of the component File Name Handler. The manipulation as part of a Null Character leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity.

The weakness was presented 06/26/2015 by Tomas Hoger as Bug 1232897 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2015-4598 since 06/16/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84648 (CentOS 6 : php (CESA-2015:1218)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196160 (Ubuntu Security Notification for Php5 Vulnerabilities (USN-2658-1)).

Upgrading to version 5.4.42, 5.6.10 or 5.5.26 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (104110), Tenable (84648), SecurityFocus (BID 75244†), SecurityTracker (ID 1032709†) and Vulnerability Center (SBV-51711†). See VDB-67396, VDB-67398, VDB-67420 and VDB-67724 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84648
Nessus Name: CentOS 6 : php (CESA-2015:1218)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703344
OpenVAS Name: Debian Security Advisory DSA 3344-1 (php5 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.4.42/5.6.10/5.5.26

Timelineinfo

01/01/2012 🔍
06/16/2015 +1262 days 🔍
06/17/2015 +1 days 🔍
06/25/2015 +8 days 🔍
06/26/2015 +1 days 🔍
06/29/2015 +3 days 🔍
08/03/2015 +35 days 🔍
05/16/2016 +287 days 🔍
05/22/2022 +2197 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 1232897
Researcher: Tomas Hoger
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4598 (🔍)
GCVE (CVE): GCVE-0-2015-4598
GCVE (VulDB): GCVE-100-76123

OVAL: 🔍

X-Force: 104110 - PHP Null characters security bypass
SecurityFocus: 75244 - PHP CVE-2015-4598 Multiple Security Bypass Vulnerabilities
SecurityTracker: 1032709 - PHP Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 51711 - PHP Remote Bypass Restrictions due to Improper Handling of File Names Containing NULL Characters - CVE-2015-4598, Medium

See also: 🔍

Entryinfo

Created: 06/29/2015 17:43
Updated: 05/22/2022 08:13
Changes: 06/29/2015 17:43 (72), 09/10/2017 10:42 (10), 05/22/2022 08:09 (3), 05/22/2022 08:11 (11), 05/22/2022 08:13 (1)
Complete: 🔍
Cache ID: 216::103

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