CVE-2017-7839
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
Description
Control characters prepended before "javascript:" URLs pasted in the addressbar can cause the leading characters to be ignored and the pasted JavaScript to be executed instead of being blocked. This could be used in social engineering and self-cross-site-scripting (self-XSS) attacks where users are convinced to copy and paste text into the addressbar. This vulnerability affects Firefox < 57.
Overview
- CVE ID
- CVE-2017-7839
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-06-11T21:29:11
- Last Modified Date
- 2018-06-25T18:46:39
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 56.0.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- 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:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2017-24/ | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1402896 | Issue Tracking Permissions Required |
| http://www.securitytracker.com/id/1039803 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/101832 | Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-7839 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7839 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:42:13 | Added to TrackCVE | |||
| 2022-12-03 07:50:43 | 2018-06-11T21:29Z | 2018-06-11T21:29:11 | CVE Published Date | updated |
| 2022-12-03 07:50:43 | 2018-06-25T18:46:39 | CVE Modified Date | updated | |
| 2022-12-03 07:50:43 | Analyzed | Vulnerability Status | updated |