Tor 0.2.0.35 input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Tor 0.2.0.35. The impacted element is an unknown function. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2009-2425. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tor 0.2.0.35 (Network Encryption Software). It has been classified as problematic. This affects some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.

The weakness was disclosed 06/25/2009 (Website). The advisory is shared at archives.seul.org. This vulnerability is uniquely identified as CVE-2009-2425 since 07/10/2009. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept.

Upgrading to version 0.2.0.35 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (51376), SecurityFocus (BID 35505†), OSVDB (55340†) and Secunia (SA35546†). The entry VDB-48958 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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: Input validation
CWE: CWE-20
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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OpenVAS ID: 800841
OpenVAS Name: Tor Denial Of Service Vulnerability - July09 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tor 0.2.0.35

Timelineinfo

06/25/2009 🔍
06/25/2009 +0 days 🔍
06/26/2009 +0 days 🔍
06/26/2009 +0 days 🔍
07/10/2009 +13 days 🔍
07/10/2009 +0 days 🔍
03/17/2015 +2076 days 🔍
11/18/2018 +1342 days 🔍

Sourcesinfo

Advisory: archives.seul.org
Status: Confirmed

CVE: CVE-2009-2425 (🔍)
GCVE (CVE): GCVE-0-2009-2425
GCVE (VulDB): GCVE-100-48957
X-Force: 51376 - Tor router descriptors denial of service
SecurityFocus: 35505 - Tor Denial of Service and DNS Spoofing Vulnerabilities
Secunia: 35546 - Tor DNS Spoofing and Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 55340 - Tor Malformed Descriptor Handling DoS
Vupen: ADV-2009-1716

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 11/18/2018 16:25
Changes: 03/17/2015 23:38 (65), 11/18/2018 16:25 (2)
Complete: 🔍
Cache ID: 216:CA9:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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