NVD

CVE-2021-31566 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 7.8 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://access.redhat.com/security/cve/CVE-2021-31566	Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-31566	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2024237	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2024237	Issue Tracking Patch Third Party Advisory
https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043	Patch Third Party Advisory
https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043	Patch Third Party Advisory
https://github.com/libarchive/libarchive/issues/1566	Issue Tracking Patch Third Party Advisory
https://github.com/libarchive/libarchive/issues/1566	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html	Mailing List Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-59	Improper Link Resolution Before File Access ('Link Following')	NIST Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Initial Analysis by NIST 8/26/2022 12:09:19 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-59
Added	CPE Configuration		Record truncated, showing 500 of 555 characters. View Entire Change Record AND OR cpe:2.3:a:redhat:codeready_linux_builder:-::::::: OR cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* cpe:2.3:o:redhat:enterprise_linux_eus:8.6:::::::* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:::::::* cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:::::::* cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:::::::* cpe:2.3:o:redhat:enterpr
Added	CPE Configuration		OR cpe:2.3:a:libarchive:libarchive::::::::* versions up to (excluding) 3.5.2
Added	CPE Configuration		OR cpe:2.3:o:fedoraproject:fedora:35:::::::
Added	CPE Configuration		Record truncated, showing 500 of 707 characters. View Entire Change Record OR cpe:2.3:o:redhat:enterprise_linux:8.0::::::: cpe:2.3:o:redhat:enterprise_linux_eus:8.6::::::: cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0::::::: cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6::::::: cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0::::::: cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6::::::: *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.
Changed	Reference Type	https://access.redhat.com/security/cve/CVE-2021-31566 No Types Assigned	https://access.redhat.com/security/cve/CVE-2021-31566 Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=2024237 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=2024237 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043 No Types Assigned	https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043 Patch, Third Party Advisory
Changed	Reference Type	https://github.com/libarchive/libarchive/issues/1566 No Types Assigned	https://github.com/libarchive/libarchive/issues/1566 Issue Tracking, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-31566
NVD Published Date:
08/23/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-31566 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/21/2024 1:05:55 AM

CVE Modified by Red Hat, Inc. 5/14/2024 5:00:59 AM

Reanalysis by NIST 3/27/2024 12:04:30 PM

Modified Analysis by NIST 12/03/2022 9:16:30 AM

CVE Modified by Red Hat, Inc. 11/22/2022 3:15:10 PM

Initial Analysis by NIST 8/26/2022 12:09:19 PM

Quick Info