PHP up to 5.5.21/5.6.5 phar memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP up to 5.5.21/5.6.5. It has been declared as critical. This vulnerability affects unknown code of the component phar. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-2301. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 5.5.21/5.6.5 (Programming Language Software) and classified as critical. Affected by this issue is some unknown processing of the component phar. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was released 02/19/2015 by Xinchen Hui as confirmed release notes (Website). The advisory is available at php.net. This vulnerability is handled as CVE-2015-2301 since 03/14/2015. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 81982 (Debian DSA-3198-1 : php5 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13108 (PHP Multiple Remote Code Execution Vulnerabilities (GHOST)).

Upgrading to version 5.5.22 or 5.6.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The release notes contains the following remark:

This release fixes several bugs and addresses CVE-2015-0235 and CVE-2015-0273. All PHP 5.6 users are encouraged to upgrade to this version.

The vulnerability is also documented in the databases at Tenable (81982), SecurityFocus (BID 73037†), SecurityTracker (ID 1031949†) and Vulnerability Center (SBV-56907†). Entries connected to this vulnerability are available at VDB-69232, VDB-73982, VDB-74064 and VDB-78775. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 81982
Nessus Name: Debian DSA-3198-1 : php5 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-509
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.5.22/5.6.6
Patch: b2cf3f064b8f5efef89bb084521b61318c71781b

Timelineinfo

02/19/2015 🔍
02/19/2015 +0 days 🔍
02/19/2015 +0 days 🔍
03/14/2015 +23 days 🔍
03/19/2015 +4 days 🔍
03/20/2015 +1 days 🔍
03/22/2015 +2 days 🔍
03/30/2015 +7 days 🔍
07/20/2015 +111 days 🔍
03/01/2016 +226 days 🔍
04/16/2022 +2236 days 🔍

Sourcesinfo

Product: php.org

Advisory: USN-2535-1
Researcher: Xinchen Hui
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2301 (🔍)
GCVE (CVE): GCVE-0-2015-2301
GCVE (VulDB): GCVE-100-74066

OVAL: 🔍

SecurityFocus: 73037 - PHP 'ext/phar/phar_object.c' Double Free Denial of Service Vulnerability
SecurityTracker: 1031949
Vulnerability Center: 56907 - PHP Remote DoS or Other Impact in phar_rename_archive function in phar_object, High

See also: 🔍

Entryinfo

Created: 03/20/2015 10:22
Updated: 04/16/2022 01:24
Changes: 03/20/2015 10:22 (67), 08/25/2018 09:21 (15), 04/16/2022 01:17 (6), 04/16/2022 01:24 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!