CVE-2021-20197

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-20197
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-26 17:15:00 UTC
Updated2023-02-12 22:15:00 UTC
DescriptionThere is an open race window when writing output in the following utilities in GNU binutils version 2.35 and earlier:ar, objcopy, strip, ranlib. When these utilities are run as a privileged user (presumably as part of a script updating binaries across different users), an unprivileged user can trick these utilities into getting ownership of arbitrary files through a symlink.

Risk And Classification

Problem Types: CWE-59

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Broadcom Brocade Fabric Operating System Firmware - All All All
Application Gnu Binutils All All All All
Application Netapp Cloud Backup - All All All
Application Netapp Ontap Select Deploy Administration Utility - All All All
Application Netapp Solidfire Hci Management Node - All All All
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
GNU Binutils: Multiple Vulnerabilities (GLSA 202208-30) — Gentoo security GENTOO security.gentoo.org
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
26945 – Unsafe chown+chmod in smart_rename, possibly elsewhere MISC sourceware.org
1913743 – (CVE-2021-20197) CVE-2021-20197 binutils: race window allows users to own arbitrary files MISC bugzilla.redhat.com
CVE-2021-20197 GNU Binutils Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MISC access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159495 Oracle Enterprise Linux Security Update for binutils (ELSA-2021-4364)
  • 184238 Debian Security Update for binutils (CVE-2021-20197)
  • 239817 Red Hat Update for binutils (RHSA-2021:4364)
  • 670423 EulerOS Security Update for binutils (EulerOS-SA-2021-1976)
  • 670442 EulerOS Security Update for binutils (EulerOS-SA-2021-2058)
  • 670453 EulerOS Security Update for binutils (EulerOS-SA-2021-2047)
  • 710599 Gentoo Linux GNU Binutils Multiple Vulnerabilities (GLSA 202208-30)
  • 751313 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2021:3593-1)
  • 751321 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2021:3616-1)
  • 751331 OpenSUSE Security Update for binutils (openSUSE-SU-2021:3616-1)
  • 751350 OpenSUSE Security Update for binutils (openSUSE-SU-2021:1475-1)
  • 751916 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2022:0934-1)
  • 900099 CBL-Mariner Linux Security Update for binutils 2.32
  • 903491 Common Base Linux Mariner (CBL-Mariner) Security Update for binutils (4033)
  • 940080 AlmaLinux Security Update for binutils (ALSA-2021:4364)
  • 960767 Rocky Linux Security Update for binutils (RLSA-2021:4364)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report