Memory corruption in Microsoft Edge - CVE-2017-11799

Vulnerability identifier: #VU8737

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-11799

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when the scripting engine handles objects in memory in Microsoft Edge. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Microsoft Edge
ChakraCore

Install updates from vendor's website.

• Exploit #1341 - Microsoft Edge Chakra JIT - Incorrect GenerateBailOut Calling Patterns (March 18, 2020)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11799

• Multiple vulnerabilities in Microsoft Edge
• Multiple vulnerabilities in Microsoft ChakraCore