Tor up to 0.3.5.15/0.4.5.9/0.4.6.6 signature verification

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 (≈)
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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.
6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Tor up to 0.3.5.15/0.4.5.9/0.4.6.6. The impacted element is an unknown function. The manipulation results in signature verification. This vulnerability is known as CVE-2021-38385. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Tor up to 0.3.5.15/0.4.5.9/0.4.6.6 (Network Encryption Software). Affected is an unknown function. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. The impact remains unknown.

The weakness was published 08/30/2021. The advisory is available at bugs.torproject.org. This vulnerability is traded as CVE-2021-38385. The technical details are unknown and an exploit is not available.

Upgrading to version 0.3.5.16, 0.4.5.10 or 0.4.6.7 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: 🔍

Upgrade: Tor 0.3.5.16/0.4.5.10/0.4.6.7

Timelineinfo

08/10/2021 🔍
08/30/2021 +20 days 🔍
08/30/2021 +0 days 🔍
09/01/2021 +2 days 🔍

Sourcesinfo

Advisory: bugs.torproject.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-38385 (🔍)
GCVE (CVE): GCVE-0-2021-38385
GCVE (VulDB): GCVE-100-181650

Entryinfo

Created: 08/30/2021 20:37
Updated: 09/01/2021 18:22
Changes: 08/30/2021 20:37 (37), 09/01/2021 18:22 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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