CVE-2020-35506

A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.

CVSS v3.0 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2021/04/16/3	Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/04/16/3	Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1909996	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Information

Published : 2021-05-28 11:15

Updated : 2021-06-08 13:16

NVD link : CVE-2020-35506

Mitre link : CVE-2020-35506

JSON object : View

Products Affected

qemu

qemu

CWE

CWE-416

Use After Free

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