VDB-7881 · OSVDB 90883 · GCVE-100-7881

PHP up to 5.3.2 Array strcmp Eingabe 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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in PHP up to 5.3.2. Impacted is the function strcmp of the component Array Handler. Performing a manipulation as part of Eingabe results in memory corruption. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in PHP up to 5.3.2 (Programming Language Software). It has been classified as critical. This affects the function strcmp of the component Array Handler. The manipulation as part of a Eingabe leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, and integrity.

The weakness was released 03/03/2013 by Danux as Unauthorized Access: Bypassing PHP strcmp() as not defined blog post (Website). The advisory is shared at danuxx.blogspot.ch. The public release happened without involvement of the project team. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

After immediately, there has been an exploit disclosed. The exploit is shared for download at danuxx.blogspot.ch. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at OSVDB (90883†). 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: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/03/2013 🔍
03/03/2013 +0 days 🔍
03/07/2013 +4 days 🔍
04/17/2018 +1867 days 🔍

Sourcesinfo

Product: php.org

Advisory: Unauthorized Access: Bypassing PHP strcmp()
Researcher: Danux
Status: Not defined

GCVE (VulDB): GCVE-100-7881
OSVDB: 90883

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/07/2013 16:21
Updated: 04/17/2018 10:28
Changes: 03/07/2013 16:21 (46), 04/17/2018 10:28 (2)
Complete: 🔍
Committer:
Cache ID: 216:C4E: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.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!