RarLabs WinRar up to 3.60 Beta6 LHA Archive stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in RarLabs WinRar (File Compression Software). This affects an unknown code block of the component LHA 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 lzh.fmt in WinRAR 3.00 through 3.60 beta 6 allows remote attackers to execute arbitrary code via a long filename in a LHA archive.
The weakness was published 07/19/2006 by Ryan Smith (Website). The advisory is shared at hustlelabs.com. This vulnerability is uniquely identified as CVE-2006-3845 since 07/25/2006. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.
After even before and not, there has been an exploit disclosed. The exploit is shared for download at milw0rm.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22072 (WinRAR LHA Filename Handling Buffer Overflows), 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.
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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4740.
The vulnerability is also documented in the databases at X-Force (27815), Tenable (22072) and Exploit-DB (1992). Similar entries are available at 966, 1784, 1785 and 26604.
Product
Type
Vendor
Name
Version
- 3.0.0
- 3.10
- 3.10 Beta3
- 3.10 Beta5
- 3.11
- 3.20
- 3.30
- 3.40
- 3.41
- 3.42
- 3.50
- 3.51
- 3.60 Beta1
- 3.60 Beta2
- 3.60 Beta3
- 3.60 Beta4
- 3.60 Beta5
- 3.60 Beta6
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.4
VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 22072
Nessus Name: WinRAR LHA Filename Handling Buffer Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: rarlab.com
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
PaloAlto IPS: 🔍
Timeline
07/05/2006 🔍07/07/2006 🔍
07/18/2006 🔍
07/18/2006 🔍
07/19/2006 🔍
07/19/2006 🔍
07/19/2006 🔍
07/21/2006 🔍
07/25/2006 🔍
07/25/2006 🔍
07/25/2006 🔍
06/23/2019 🔍
Sources
Advisory: hustlelabs.comResearcher: Ryan Smith
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2006-3845 (🔍)
X-Force: 27815 - WinRAR LHA archive buffer overflow, High Risk
Vulnerability Center: 12366 - WinRAR Stack-Based Buffer Overflow Vulnerability in LHA Archives, Medium
SecurityFocus: 19043 - RARLAB WinRAR LHA Filename Handling Buffer Overflow Vulnerability
Secunia: 21080 - WinRAR LHA Archive Processing Buffer Overflow, Moderately Critical
OSVDB: 27031 - WinRAR SFX Module Archive Comment Processing Overflow
Vupen: ADV-2006-2867
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 07/21/2006 15:01Updated: 06/23/2019 16:24
Changes: 07/21/2006 15:01 (87), 06/23/2019 16:24 (12)
Complete: 🔍
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