PT-2019-2609 · Microsoft · Chakracore+1

Qixun Zhao · Published 2019-06-11 · Updated 2021-03-29 · CVE-2019-0991

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Edge (affected versions not specified)

Description The issue is related to errors in handling objects in memory by the ChakraCore JavaScript engine. It could allow a remote attacker to execute arbitrary code using a specially crafted web page. The vulnerability can corrupt memory, enabling an attacker to gain the same user rights as the current user. If the current user has administrative rights, the attacker could take control of the affected system, install programs, view, change, or delete data, or create new accounts with full user rights.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

BDU:2019-02489

CVE-2019-0991

GHSA-6973-94V8-5MGW

Affected Products

Chakracore

Edge

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2019-0991 · Security Note
• https://osv.dev/vulnerability/CVE-2019-0991 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-6973-94v8-5mgw · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0991 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02489 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0991 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0991 · Security Note
• https://github.com/chakra-core/ChakraCore · Note
• https://github.com/chakra-core/ChakraCore/commit/3d6226cc2d1077537220361c82e34a362c6c76ee · Note
• https://github.com/chakra-core/ChakraCore/commit/1caa4118796d33513bc40ce894c053a92de98abb · Note