Out-of-bounds read in ChakraCore and Microsoft Edge - CVE-2020-0813

 

Out-of-bounds read in ChakraCore and Microsoft Edge - CVE-2020-0813

Published: March 10, 2020


Vulnerability identifier: #VU25897
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-0813
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
ChakraCore
Microsoft Edge

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing untrusted data in Chakra scripting engine. A remote attacker who knows the memory address of where the object was created can trigger out-of-bounds read error and read contents of memory on the system.


How to mitigate CVE-2020-0813

Install update from vendor's website.

Sources