CVE-2020-15572
CVSS V2 Medium 4.3
CVSS V3 High 7.5
Description
Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.
Overview
- CVE ID
- CVE-2020-15572
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-07-15T17:15:11
- Last Modified Date
- 2021-07-21T11:39:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.3.5.11 | |
| cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.4.2.8 | |
| cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.4.3.6 | |
| cpe:2.3:a:torproject:tor:0.4.4.0:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.4.4.1:alpha:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://gitlab.torproject.org/tpo/core/tor/-/issues/33119 | Vendor Advisory |
| https://trac.torproject.org/projects/tor/wiki/TROVE | Vendor Advisory |
| https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes | Release Notes Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-15572 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15572 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:02:41 | Added to TrackCVE | |||
| 2022-12-04 19:37:10 | 2020-07-15T17:15Z | 2020-07-15T17:15:11 | CVE Published Date | updated |
| 2022-12-04 19:37:10 | 2021-07-21T11:39:23 | CVE Modified Date | updated | |
| 2022-12-04 19:37:10 | Analyzed | Vulnerability Status | updated |