PHP up to 5.2.8 JSON_parser denial of service

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in PHP up to 5.2.8. The affected element is the function JSON_parser. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2009-1271. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 5.2.8 (Programming Language Software). It has been classified as problematic. This affects the function JSON_parser. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

The JSON_parser function (ext/json/JSON_parser.c) in PHP 5.2.x before 5.2.9 allows remote attackers to cause a denial of service (segmentation fault) via a malformed string to the json_decode API function.

The bug was discovered 02/26/2009. The weakness was published 04/08/2009 (Website). The advisory is shared at redhat.com. This vulnerability is uniquely identified as CVE-2009-1271 since 04/08/2009. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 41 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 37871 (Mandriva Linux Security Advisory : php (MDVSA-2009:090)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12276 (PHP 5.2.8 and Prior Versions Multiple Vulnerabilities).

Upgrading to version 5.2.7 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (48969), Tenable (37871), SecurityFocus (BID 33927†), OSVDB (52486†) and Secunia (SA34770†). Similar entries are available at VDB-46939, VDB-45671, VDB-45558 and VDB-47626. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 37871
Nessus Name: Mandriva Linux Security Advisory : php (MDVSA-2009:090)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63885
OpenVAS Name: Debian Security Advisory DSA 1775-1 (php-json-ext)
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 5.2.7

Timelineinfo

02/26/2009 🔍
02/26/2009 +0 days 🔍
02/26/2009 +0 days 🔍
04/08/2009 +41 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/10/2009 +2 days 🔍
04/23/2009 +13 days 🔍
04/27/2009 +4 days 🔍
03/17/2015 +2150 days 🔍
09/02/2019 +1630 days 🔍

Sourcesinfo

Product: php.org

Advisory: redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1271 (🔍)
GCVE (CVE): GCVE-0-2009-1271
GCVE (VulDB): GCVE-100-47625

OVAL: 🔍

X-Force: 48969
SecurityFocus: 33927 - PHP 5.2.8 and Prior Versions Multiple Vulnerabilities
Secunia: 34770
OSVDB: 52486 - CVE-2009-1271 - PHP - Denial-Of-Service Issue
Vulnerability Center: 21722 - PHP 5.2- 5.2.8 JSON_parser Function Remote Denial of Service Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 09/02/2019 10:06
Changes: 03/17/2015 23:38 (78), 09/02/2019 10:06 (6)
Complete: 🔍
Cache ID: 216:FE9:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!