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.
4.6	$0-$5k	0.00

A vulnerability, which was classified as problematic, has been found in PHP 5.6 (Programming Language Software). Affected by this issue is the function unserialize of the component phar File Handler. 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.

The weakness was presented 04/16/2015 as confirmed mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2015-2783 since 03/29/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 84025 (Debian DSA-3280-1 : 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10005 (PHP Prior to 5.6.8/5.5.24/5.4.40 Multiple Remote Code Execution Vulnerabilities).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.php.net.

The vulnerability is also documented in the databases at X-Force (102411) and Tenable (84025). bugs.php.net is providing further details. See 67396, 67398, 67420 and 67724 for similar entries.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 5.6

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 84025
Nessus Name: Debian DSA-3280-1 : php5 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703280
OpenVAS Name: Debian Security Advisory DSA 3280-1 (php5 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.php.net

Timelineinfo

03/29/2015 🔍
04/14/2015 +16 days 🔍
04/14/2015 +0 days 🔍
04/16/2015 +2 days 🔍
04/17/2015 +1 days 🔍
04/17/2015 +0 days 🔍
06/09/2015 +53 days 🔍
06/09/2015 +0 days 🔍
08/17/2015 +69 days 🔍
05/09/2022 +2457 days 🔍

Sourcesinfo

Product: php.org

Advisory: USN-2572-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2783 (🔍)
OVAL: 🔍

X-Force: 102411 - PHP phar file information disclosure
SecurityTracker: 1032146 - PHP phar Unserialize Boundary Error Lets Remote Users Obtain Potentially Sensitive Information
Vulnerability Center: 52118 - PHP 5.4 - 5.4.39, 5.5 - 5.5.23, 5.6 - 5.6.7 Remote Code Execution when Parsing Phar, High
SecurityFocus: 74239 - PHP PHAR CVE-2015-2783 Remote Memory Corruption Vulnerability

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/17/2015 11:19
Updated: 05/09/2022 10:57
Changes: 04/17/2015 11:19 (74), 10/15/2017 12:12 (9), 05/09/2022 10:45 (4), 05/09/2022 10:51 (1), 05/09/2022 10:57 (1)
Complete: 🔍

Discussion

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