CVE-2020-36405 — HIGH (7.8)

Vulnerability Description

Keystone Engine 0.9.2 has a use-after-free in llvm_ks::X86Operand::getToken.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Keystone-Engine	Keystone Engine	0.9.2
Linux	Linux Kernel	-

Related Weaknesses (CWE)

CWE-416

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850ExploitIssue TrackingPatch
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/keystone/OSV-2020-789.yTechnical Description
https://github.com/keystone-engine/keystone/releasesRelease NotesThird Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850ExploitIssue TrackingPatch
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/keystone/OSV-2020-789.yTechnical Description
https://github.com/keystone-engine/keystone/releasesRelease NotesThird Party Advisory

FAQ

What is CVE-2020-36405?

CVE-2020-36405 is a vulnerability with a CVSS score of 7.8 (HIGH). Keystone Engine 0.9.2 has a use-after-free in llvm_ks::X86Operand::getToken.

How severe is CVE-2020-36405?

CVE-2020-36405 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-36405?

Check the references section above for vendor advisories and patch information. Affected products include: Keystone-Engine Keystone Engine, Linux Linux Kernel.