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[email protected]CVE-2020-36405

HistoryJul 01, 2021 - 3:15 a.m.

CVE-2020-36405

2021-07-0103:15:07

CWE-416

[email protected]

web.nvd.nist.gov

keystone engine

cve-2020-36405

use-after-free

llvm_ks

x86operand

gettoken

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.7%

JSON

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

Affected configurations

NVD

Node

keystone-enginekeystone_engineMatch0.9.2

AND

linuxlinux_kernelMatch-

CPENameOperatorVersion
keystone-engine:keystone_enginekeystone-engine keystone engineeq0.9.2

CPE	Name	Operator	Version
keystone-engine:keystone_engine	keystone-engine keystone engine	eq	0.9.2

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850

github.com/google/oss-fuzz-vulns/blob/main/vulns/keystone/OSV-2020-789.yaml

github.com/keystone-engine/keystone/releases

Social References

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.7%

JSON

Related for CVE-2020-36405

prion1 nvd1 osv1 cnvd1 cvelist1