PT-2021-12044 · Unknown · Keystone Engine

Published 2021-07-01 · Updated 2021-07-06 · CVE-2020-36405

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Keystone Engine version 0.9.2

Description: The issue is related to a use-after-free in llvm ks::X86Operand::getToken().

Recommendations: For Keystone Engine version 0.9.2, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2020-36405

Affected Products

Keystone Engine

References · 5

• 🔥 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-36405 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36405 · Vendor Advisory
• https://github.com/keystone-engine/keystone/releases · Note
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/keystone/OSV-2020-789.yaml · Note