HTTP: Microsoft Scripting Engine CVE-2018-0858 Memory Corruption
This signature detects an attempt to exploit an Use-After-Free Vulnerability in Microsoft Scripting Engine. Successful exploitation could allow an attacker to execute arbitrary code into the application's context.
Extended Description
ChakraCore allows remote code execution, due to how the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0840, CVE-2018-0856, CVE-2018-0857, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.
Affected Products
Microsoft chakracore
References
CVE: CVE-2018-0858
Short Name
HTTP:STC:IE:CVE-2018-0858-MC
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2018-0858 Corruption Engine Memory Microsoft Scripting
Release Date
02/13/2018
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3415
False Positive
Unknown
Vendors
Microsoft
CVSS Score
9.3