CVE-2018-8298KEV · OVERDUE

ChakraCore Scripting Engine Type Confusion Vulnerability

High · published July 11, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.5. It is confirmed in active exploitation. It sits in the 99.5th percentile for exploit probability.

1681
days past CISA
deadline
CVSS v3.1
7.5
EPSS
75%
Percentile
99.5
In the wild
Confirmed
What it is

🚨 A sneaky memory corruption vulnerability in the ChakraCore scripting engine can let attackers execute arbitrary code remotely! ⚡ Think of it like a restaurant where a chef is preparing meals without checking the ingredients — if someone slips in something dangerous, the whole dish could be poisoned. This vulnerability allows hackers to manipulate objects in memory, potentially leading to disastrous outcomes. An attacker could gain full control over the affected system, running malicious code as if they were the user. This could mean stealing sensitive data, installing malicious software, or even taking over the server entirely — absolutely devastating! 🔥

Put simply

Think of it like a restaurant where a chef is preparing meals without checking the ingredients — if someone slips in something dangerous, the whole dish could be poisoned. This vulnerability allows hackers to manipulate objects in memory, potentially leading to disastrous outcomes. This remote code execution vulnerability occurs due to improper handling of objects in memory within ChakraCore, allowing attackers to exploit memory corruption issues and execute arbitrary code.

What to do

An attacker could gain full control over the affected system, running malicious code as if they were the user. This could mean stealing sensitive data, installing malicious software, or even taking over the server entirely — absolutely devastating! 🔥 Immediate action is required! Update ChakraCore to the latest version that addresses this vulnerability. Review your systems for the affected version and implement robust security measures to safeguard against exploitation. You've got this! By following these steps, you can secure your systems and keep the bad guys at bay. 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.74694 · 99.5th percentile
Published
2018-07-11T00:00Z
KEV added
2022-03-03 · due 2022-03-17
EPSS history
Timeline
  • 03 MAR 00:00Z
    Added to CISA KEV — remediate by Mar 17
    kev
  • 11 JUL 00:00Z
    A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption…
    cvelistv5