CVE-2020-10732

CVSS V2 Low 3.6 CVSS V3 Medium 4.4

Description

A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.

Overview

CVE ID
CVE-2020-10732

Assigner
secalert@redhat.com

Vulnerability Status
Modified

Published Version
2020-06-12T14:15:11

Last Modified Date
2023-02-12T23:38:59

Weakness Enumerations

CWE	URL
CWE-908	http://cwe.mitre.org/data/definitions/908.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start
		AND
cpe:2.3:o:linux:linux_kernel:-:::::::*	1	OR
		AND
cpe:2.3:o:opensuse:leap:15.1:::::::*	1	OR
cpe:2.3:o:opensuse:leap:15.2:::::::*	1	OR
		AND
cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::	1	OR
		AND
cpe:2.3:a:netapp:active_iq_unified_manager::::::vmware_vsphere::*	1	OR	9.5
cpe:2.3:a:netapp:hci_management_node:-:::::::*	1	OR
cpe:2.3:a:netapp:solidfire:-:::::::*	1	OR
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*	1	OR
		AND
cpe:2.3:o:netapp:aff_a700_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:aff_a700:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h410c_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h410c:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h300s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h300s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h500s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h500s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h700s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h700s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h300e_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h300e:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h500e_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h500e:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h700e_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h700e:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h410s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h410s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:aff_8300_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:aff_8300:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:aff_8700_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:aff_8700:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:aff_a400_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:aff_a400:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
3.6

Severity
LOW

Exploitability Score
3.9

Impact Score
4.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
LOW

Base Score
4.4

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
2.5

References

Reference URL	Reference Tags
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html	Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:4060
https://access.redhat.com/errata/RHSA-2020:4062
https://access.redhat.com/errata/RHSA-2020:4431
https://access.redhat.com/errata/RHSA-2020:4609
https://access.redhat.com/security/cve/CVE-2020-10732
https://bugzilla.redhat.com/show_bug.cgi?id=1831399
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732	Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=aca969cacf07f41070d788ce2b8ca71f09d5207d	Patch Vendor Advisory
https://github.com/google/kmsan/issues/76	Issue Tracking Third Party Advisory
https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a	Patch Third Party Advisory
https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj=rt9XWnCYvg%40mail.gmail.com/
https://security.netapp.com/advisory/ntap-20210129-0005/	Third Party Advisory
https://twitter.com/grsecurity/status/1252558055629299712	Third Party Advisory
https://usn.ubuntu.com/4411-1/	Third Party Advisory
https://usn.ubuntu.com/4427-1/	Third Party Advisory
https://usn.ubuntu.com/4439-1/	Third Party Advisory
https://usn.ubuntu.com/4440-1/	Third Party Advisory
https://usn.ubuntu.com/4485-1/	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-10732
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10732

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:40:32				Added to TrackCVE
2022-12-04 17:59:44	2020-06-12T14:15Z	2020-06-12T14:15:11	CVE Published Date	updated
2022-12-04 17:59:44		2022-11-08T20:01:09	CVE Modified Date	updated
2022-12-04 17:59:44		Analyzed	Vulnerability Status	updated
2023-02-02 17:10:20		2023-02-02T16:19:20	CVE Modified Date	updated
2023-02-02 17:10:20	Analyzed	Modified	Vulnerability Status	updated
2023-02-02 17:10:21	A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.	A flaw was found in the Linux kernel’s implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.	Description	updated
2023-02-02 17:10:22			References	updated
2023-02-13 00:11:01		2023-02-12T23:38:59	CVE Modified Date	updated
2023-02-13 00:11:01	A flaw was found in the Linux kernel’s implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.	A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.	Description	updated