7-zip up to 4.56 Remote Code Execution

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.
8.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as very critical has been reported in 7-zip. Affected is an unknown function. The manipulation leads to Remote Code Execution. This vulnerability is uniquely identified as CVE-2008-6536. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in 7-zip (File Compression Software). This issue affects an unknown code. The manipulation with an unknown input leads to a remote code execution vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in 7-zip before 4.5.7 has unknown impact and remote attack vectors, as demonstrated by the PROTOS GENOME test suite for Archive Formats (c10).

The bug was discovered 03/17/2008. The weakness was disclosed 03/17/2008 (Website). It is possible to read the advisory at vupen.com. The identification of this vulnerability is CVE-2008-6536 since 03/29/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/24/2025).

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 31607 (7-Zip < 4.57 Archive Handling Unspecified Issue), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120152 (Solaris Unspecified Vulnerability in 7-zip).

Upgrading to version 4.23 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (41247), Tenable (31607), SecurityFocus (BID 28285†), OSVDB (43649†) and Secunia (SA29434†). The entries VDB-61966 and VDB-61582 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• File Compression Software

Name

• 7-zip

Version

• 3.13
• 4.20
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.31
• 4.32
• 4.33
• 4.34
• 4.35
• 4.36
• 4.37
• 4.38
• 4.39
• 4.40
• 4.41
• 4.42
• 4.43
• 4.44
• 4.45
• 4.46
• 4.47
• 4.48
• 4.49
• 4.50
• 4.51
• 4.52
• 4.53
• 4.54
• 4.55
• 4.56

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 31607
Nessus Name: 7-Zip < 4.57 Archive Handling Unspecified Issue
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800256
OpenVAS Name: 7-Zip Unspecified Archive Handling Vulnerability (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: 7-zip 4.23

Timelineinfo

03/17/2008 🔍
03/17/2008 +0 days 🔍
03/17/2008 +0 days 🔍
03/17/2008 +0 days 🔍
03/19/2008 +1 days 🔍
03/24/2008 +5 days 🔍
03/24/2008 +0 days 🔍
03/25/2008 +0 days 🔍
03/29/2009 +369 days 🔍
03/29/2009 +0 days 🔍
03/17/2015 +2179 days 🔍
05/24/2025 +3721 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-6536 (🔍)
GCVE (CVE): GCVE-0-2008-6536
GCVE (VulDB): GCVE-100-47387
X-Force: 41247
SecurityFocus: 28285 - 7-Zip Unspecified Archive Handling Vulnerability
Secunia: 29434 - 7-zip Unspecified Vulnerability, Moderately Critical
OSVDB: 43649 - 7-Zip Unspecified Archive Handling Issue
Vulnerability Center: 18016 - 7-Zip Archive Handling Vulnerability Allows Remote Attackers to Execute Arbitrary Code, High
Vupen: ADV-2008-0914

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 05/24/2025 07:53
Changes: 03/17/2015 23:38 (78), 08/07/2019 17:54 (1), 05/24/2025 07:53 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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