Tor up to 0.1.1.23 Entry Node denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Tor up to 0.1.1.23. This vulnerability affects unknown code of the component Entry Node Handler. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2006-4508. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tor up to 0.1.1.23 (Network Encryption Software). It has been declared as critical. This vulnerability affects an unknown functionality of the component Entry Node Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect integrity, and availability. CVE summarizes:

Unspecified vulnerability in (1) Tor 0.1.0.x before 0.1.0.18 and 0.1.1.x before 0.1.1.23, and (2) ScatterChat before 1.0.2, allows remote attackers operating a Tor entry node to route arbitrary Tor traffic through clients or cause a denial of service (flood) via unspecified vectors.

The weakness was published 08/31/2006 by Roger Dingledine (Website). The advisory is shared for download at archives.seul.org. This vulnerability was named CVE-2006-4508 since 08/31/2006. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at tor.eff.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (28686), SecurityFocus (BID 19785†), OSVDB (28277†) and Secunia (SA21725†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: tor.eff.org

Timelineinfo

08/31/2006 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
09/01/2006 +0 days 🔍
09/04/2006 +3 days 🔍
04/22/2018 +4248 days 🔍

Sourcesinfo

Advisory: archives.seul.org
Researcher: Roger Dingledine
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4508 (🔍)
GCVE (CVE): GCVE-0-2006-4508
GCVE (VulDB): GCVE-100-2500
X-Force: 28686 - Tor traffic routing denial of service, Medium Risk
SecurityFocus: 19785
Secunia: 21725 - ScatterChat Tor Denial of Service and Traffic Routing, Less Critical
OSVDB: 28277 - EFF Tor First Node Malformed Input DoS

Entryinfo

Created: 09/01/2006 12:10
Updated: 04/22/2018 13:12
Changes: 09/01/2006 12:10 (64), 04/22/2018 13:12 (7)
Complete: 🔍
Cache ID: 216:ECD:103

Once again VulDB remains the best source for vulnerability data.

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