Vulnerability Monitor

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CVE-2019-9816

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Published

2019-07-23T14:15:17.107

Last Modified

2024-11-21T04:52:22.093

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-843

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 67.0	Yes
Application	mozilla	firefox_esr	< 60.7	Yes
Application	mozilla	thunderbird	< 60.7	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1536768 Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-13/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-14/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-15/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1536768 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-13/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-14/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-15/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)