Vulnerability Monitor

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CVE-2019-11761

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Published

2020-01-08T20:15:12.780

Last Modified

2024-11-21T04:21:44.440

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
CWE-362
CWE-862

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 70.0	Yes
Application	mozilla	firefox_esr	< 68.2	Yes
Application	mozilla	thunderbird	< 68.2	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1561502 Issue Tracking, Permissions Required ([email protected])
https://security.gentoo.org/glsa/202003-10 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4335-1/ Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-33/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-34/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-35/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1561502 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202003-10 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4335-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-33/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-34/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-35/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)