RARLAB WinRAR up to 3.50 unacev2.dll stack-based overflow

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in RARLAB WinRAR up to 3.50 and classified as critical. The affected element is an unknown function in the library unacev2.dll. The manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2005-3263. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in RARLAB WinRAR up to 3.50 (File Compression Software). Affected is an unknown code in the library unacev2.dll. 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. CVE summarizes:

Stack-based buffer overflow in UNACEV2.DLL for RARLAB WinRAR 2.90 through 3.50 allows remote attackers to execute arbitrary code via an ACE archive containing a file with a long name.

The bug was discovered 09/30/2005. The weakness was shared 10/11/2005 by Tan Chew Keong with Secunia Research (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is traded as CVE-2005-3263 since 10/20/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

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 databases at SecurityFocus (BID 15062†), OSVDB (19915†) and Secunia (SA16973†). The entries VDB-966, VDB-1784, VDB-1785 and VDB-2385 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• File Compression Software

Vendor

• RARLAB

Name

• WinRAR

Version

• 2.90
• 3.0.0
• 3.10
• 3.10 Beta3
• 3.10 Beta5
• 3.11
• 3.20
• 3.40
• 3.41
• 3.42
• 3.50

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/30/2005 🔍
10/11/2005 +11 days 🔍
10/11/2005 +0 days 🔍
10/11/2005 +0 days 🔍
10/11/2005 +0 days 🔍
10/20/2005 +8 days 🔍
10/20/2005 +0 days 🔍
03/11/2015 +3429 days 🔍
07/12/2018 +1219 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Tan Chew Keong
Organization: Secunia Research
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3263 (🔍)
GCVE (CVE): GCVE-0-2005-3263
GCVE (VulDB): GCVE-100-26604
SecurityFocus: 15062 - RARLAB WinRAR Multiple Remote Vulnerabilities
Secunia: 16973 - WinRAR Format String and Buffer Overflow Vulnerabilities, Moderately Critical
OSVDB: 19915 - WinRAR UNACEV2.DLL ACE Filename Overflow

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 07/12/2018 08:36
Changes: 03/11/2015 23:39 (63), 07/12/2018 08:36 (1)
Complete: 🔍
Cache ID: 216:ECA:103

Once again VulDB remains the best source for vulnerability data.

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