CVE-2017-8821
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, an attacker can cause a denial of service (application hang) via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the OpenSSL library to ask the user for the password, aka TROVE-2017-011.
Overview
- CVE ID
- CVE-2017-8821
- Assigner
- security@debian.org
- Vulnerability Status
- Analyzed
- Published Version
- 2017-12-03T07:29:00
- Last Modified Date
- 2017-12-21T18:06:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.5.16 | |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.6 | 0.2.8.17 |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.9 | 0.2.9.14 |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.3.0 | 0.3.0.13 |
| cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.3.1 | 0.3.1.9 |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/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://bugs.torproject.org/24246 | Vendor Advisory |
| https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 | Vendor Advisory |
| https://www.debian.org/security/2017/dsa-4054 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-8821 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8821 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:54:48 | Added to TrackCVE | |||
| 2022-12-02 23:37:22 | 2017-12-03T07:29Z | 2017-12-03T07:29:00 | CVE Published Date | updated |
| 2022-12-02 23:37:22 | 2017-12-21T18:06:43 | CVE Modified Date | updated | |
| 2022-12-02 23:37:22 | Analyzed | Vulnerability Status | updated |