U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-31566 Detail

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 3.x Severity and Vector Strings:

NIST CVSS score
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

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

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') cwe source acceptance level NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		Up to (excluding)
3.5.2

Configuration 2 ( hide )
 cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 6 ( hide )
 cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
8.2.0		Up to (excluding)
8.2.12
 cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
9.0.0		Up to (excluding)
9.0.6
 cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

6 change records found show changes

Quick Info

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