VulnerabilityModified
CVE-2017-7831
A vulnerability where the security wrapper does not deny access to some exposed properties using the deprecated "_exposedProps_" mechanism on proxy objects.
MEDIUM 5.3EPSS 1.59%
Does this matter?
Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability where the security wrapper does not deny access to some exposed properties using the deprecated "_exposedProps_" mechanism on proxy objects. These properties should be explicitly unavailable to proxy objects. This vulnerability affects Firefox < 57.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.59% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039803Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1392026Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2017-24/Vendor Advisory
- http://www.securityfocus.com/bid/101832Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039803Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1392026Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2017-24/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.