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githubGitHub Advisory DatabaseGHSA-G644-6FG4-HRH9
HistoryJul 28, 2021 - 6:57 p.m.

Out-of-bounds write in ChakraCore

2021-07-2818:57:47
CWE-787
GitHub Advisory Database
github.com
56
chakracore
remote code execution
memory corruption
scripting engine
microsoft browsers

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.021

Percentile

89.4%

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka β€˜Scripting Engine Memory Corruption Vulnerability’. This CVE ID is unique from CVE-2020-0768, CVE-2020-0823, CVE-2020-0825, CVE-2020-0826, CVE-2020-0827, CVE-2020-0828, CVE-2020-0829, CVE-2020-0831, CVE-2020-0832, CVE-2020-0833, CVE-2020-0848.

Affected configurations

Vulners
Node
microsoftchakracoreRange<1.11.17
VendorProductVersionCPE
microsoftchakracore*cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.021

Percentile

89.4%