CVE-2017-7821
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
Overview
- CVE ID
- CVE-2017-7821
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-06-11T21:29:10
- Last Modified Date
- 2019-10-03T00:03:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 55.0.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2017-21/ | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1346515 | Exploit Issue Tracking |
| http://www.securitytracker.com/id/1039465 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/101057 | Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-7821 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7821 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:28:11 | Added to TrackCVE | |||
| 2022-12-03 07:49:40 | 2018-06-11T21:29Z | 2018-06-11T21:29:10 | CVE Published Date | updated |
| 2022-12-03 07:49:40 | 2019-10-03T00:03:26 | CVE Modified Date | updated | |
| 2022-12-03 07:49:40 | Analyzed | Vulnerability Status | updated |