CVE-2021-38385 Common Vulnerabilities and Exposures

Upstream information

CVE-2021-38385 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail	National Vulnerability Database
Base Score	5
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores
CVSS detail	National Vulnerability Database
Base Score	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1189489 [NEW]

SUSE Security Advisories:

openSUSE-SU-2021:1169-1, published Thu Aug 19 21:41:44 2021
openSUSE-SU-2021:1178-1, published Mon Aug 23 03:41:19 2021
openSUSE-SU-2021:1192-1, published Wed Aug 25 21:41:18 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP2	`tor >= 0.4.6.7-bp152.2.15.1`	Patchnames: openSUSE-2021-1178
SUSE Package Hub 15 SP3	`tor >= 0.4.6.7-bp153.2.6.1`	Patchnames: openSUSE-2021-1192
openSUSE Leap 15.2	`tor >= 0.4.6.7-lp152.2.15.1`	Patchnames: openSUSE-2021-1169
openSUSE Leap 15.3	`tor >= 0.4.6.7-bp153.2.6.1`	Patchnames: openSUSE-2021-1192
openSUSE Tumbleweed	`tor >= 0.4.6.7-2.2`	Patchnames: openSUSE-Tumbleweed-2024-11469

SUSE Timeline for this CVE

CVE page created: Thu Aug 19 21:30:24 2021
CVE page last modified: Mon Oct 6 19:30:58 2025