RarLabs WinRar up to 3.70 beta RAR Archive unrar stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in RarLabs WinRar up to 3.70 beta. This vulnerability affects unknown code of the file unrar of the component RAR Archive Handler. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2007-0855. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in RarLabs WinRar up to 3.70 beta (File Compression Software). This affects some unknown functionality of the file unrar of the component RAR Archive Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in RARLabs Unrar, as packaged in WinRAR and possibly other products, allows user-assisted remote attackers to execute arbitrary code via a crafted, password-protected archive.

The bug was discovered 02/07/2007. The weakness was disclosed 02/08/2007 with iDefense Labs (Website). It is possible to read the advisory at labs.idefense.com. This vulnerability is uniquely identified as CVE-2007-0855 since 02/08/2007. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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 $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 27473 (openSUSE 10 Security Update : unrar (unrar-2996)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at rarlab.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (32357), Tenable (27473), SecurityFocus (BID 22447†), OSVDB (33124†) and Secunia (SA24165†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 27473
Nessus Name: openSUSE 10 Security Update : unrar (unrar-2996)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58009
OpenVAS Name: FreeBSD Ports: rar
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: rarlab.com

Timelineinfo

02/07/2007 🔍
02/07/2007 +0 days 🔍
02/07/2007 +0 days 🔍
02/07/2007 +0 days 🔍
02/08/2007 +1 days 🔍
02/08/2007 +0 days 🔍
02/08/2007 +0 days 🔍
02/08/2007 +0 days 🔍
02/12/2007 +3 days 🔍
02/14/2007 +2 days 🔍
02/17/2007 +3 days 🔍
02/19/2007 +2 days 🔍
10/17/2007 +240 days 🔍
07/14/2019 +4288 days 🔍

Sourcesinfo

Advisory: labs.idefense.com⛔
Researcher: http://labs.idefense.com
Organization: iDefense Labs
Status: Confirmed

CVE: CVE-2007-0855 (🔍)
GCVE (CVE): GCVE-0-2007-0855
GCVE (VulDB): GCVE-100-2907
X-Force: 32357 - UnRAR password-protected archive buffer overflow, High Risk
SecurityFocus: 22447 - RARLAB Unrar Password Protected Archives Buffer Overflow Vulnerability
Secunia: 24165 - Gentoo update for rar and unrar, Moderately Critical
OSVDB: 33124 - RARLabs UnRAR Password Protected Archive Handling Overflow
SecurityTracker: 1017593
Vulnerability Center: 14331 - RARLabs Unrar Stack-Based Buffer Overflow Allows User Assisted Remote Code Execution, Medium
Vupen: ADV-2007-0523

Entryinfo

Created: 02/12/2007 15:05
Updated: 07/14/2019 20:24
Changes: 02/12/2007 15:05 (100), 07/14/2019 20:24 (2)
Complete: 🔍
Cache ID: 216:6B3:103

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

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