CVE-2018-3759
CVSS V2 Medium 4.3
CVSS V3 Low 3.7
Description
private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address.
Overview
- CVE ID
- CVE-2018-3759
- Assigner
- support@hackerone.com
- Vulnerability Status
- Modified
- Published Version
- 2018-06-13T15:29:00
- Last Modified Date
- 2019-10-09T23:40:35
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:* | 1 | OR | 0.5.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 3.7
- Base Severity
- LOW
- Exploitability Score
- 2.2
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147 | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-3759 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3759 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:04:06 | Added to TrackCVE | |||
| 2022-12-03 08:00:36 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-03 08:00:36 | 2018-06-13T15:29Z | 2018-06-13T15:29:00 | CVE Published Date | updated |
| 2022-12-03 08:00:36 | 2019-10-09T23:40:35 | CVE Modified Date | updated | |
| 2022-12-03 08:00:36 | Modified | Vulnerability Status | updated |