CVE-2021-38385 - Vulnerability Details - OpenCVE

Description

Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.

Published: 2021-08-30

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:torproject:tor::::::::
	cpe:2.3:a:torproject:tor::::::::
	cpe:2.3:a:torproject:tor::::::::

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
Debian DSA	DSA-4961-1	tor security update
EUVD	EUVD-2021-24837	Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.
Ubuntu USN	USN-5036-1	Tor vulnerabilities

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00323.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://blog.torproject.org
https://blog.torproject.org/node/2062
https://bugs.torproject.org/tpo/core/tor/40078
https://security.gentoo.org/glsa/202305-11

History

No history.

Subscriptions

Torproject Tor

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-30T00:00:00.000Z

Updated: 2024-08-04T01:37:16.635Z

Reserved: 2021-08-10T00:00:00.000Z

Link: CVE-2021-38385

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-30T05:15:07.237

Modified: 2024-11-21T06:16:57.803

Link: CVE-2021-38385

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-617

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