WebKit JSC AbstractValue::Set Use After Free

Strike ID:
E19-0mez1
CVSS:
8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
False Positive:
f
Variants:
1
Year:
2018

Description

This strike exploits a vulnerability in Apple WebKit. Specifically, the vulnerability exists in the AbstractValue Set method. Javascript can be crafted in such a way that the attacker can write into the immutable butterfly of a Copy on Write array. This can lead to a use after free condition causing a denial of service or potentially lead to remote code execution.

CVE