CVE-2020-36405

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

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/keystone/OSV-2020-789.yaml	Technical Description
https://github.com/keystone-engine/keystone/releases	Release Notes Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22850	Exploit Issue Tracking Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:keystone-engine:keystone_engine:0.9.2:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Information

Published : 2021-06-30 20:15

Updated : 2021-07-06 14:07

NVD link : CVE-2020-36405

Mitre link : CVE-2020-36405

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

linux

linux_kernel

keystone-engine

keystone_engine

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