Vulnerability Monitor

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CVE-2017-7813

Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usually results in a non-exploitable crash, but can leak a limited amount of information from memory if it matches JavaScript identifier syntax. This vulnerability affects Firefox < 56.

Published

2018-06-11T21:29:10.500

Last Modified

2024-11-21T03:32:43.073

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.2 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Primary
CWE-125
CWE-704

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	≤ 55.0.3	Yes

References

http://www.securityfocus.com/bid/101057 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039465 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1383951 Exploit, Issue Tracking ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-21/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/101057 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039465 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1383951 Exploit, Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-21/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)