CVE-2018-0490
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service (NULL pointer dereference and directory-authority crash) via a misformatted relay descriptor that is mishandled during voting.
Overview
- CVE ID
- CVE-2018-0490
- Assigner
- security@debian.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-03-05T15:29:00
- Last Modified Date
- 2019-04-30T14:58:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.2.9.14 | |
| cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | 1 | OR | 0.3.1.7 | 0.3.1.9 |
| cpe:2.3:a:torproject:tor:0.3.1.1:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.1.2:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.1.3:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.1.4:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.1.5:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.1.6:rc:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.1:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.2:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.3:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.4:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.5:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.6:alpha:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.7:rc:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.8:rc:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:torproject:tor:0.3.2.9:*:*:*:*:*:*:* | 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://trac.torproject.org/projects/tor/ticket/25074 | Vendor Advisory |
| https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915 | Vendor Advisory |
| https://www.debian.org/security/2018/dsa-4183 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-0490 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0490 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:53:56 | Added to TrackCVE | |||
| 2022-12-03 02:59:09 | 2018-03-05T15:29Z | 2018-03-05T15:29:00 | CVE Published Date | updated |
| 2022-12-03 02:59:09 | 2019-04-30T14:58:53 | CVE Modified Date | updated | |
| 2022-12-03 02:59:09 | Analyzed | Vulnerability Status | updated |