CVE-2021-3445

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-3445
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-19 14:15:00 UTC
Updated2023-11-07 03:38:00 UTC
DescriptionA flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality, integrity, as well as system availability.

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Application Rpm Libdnf All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 33 Update: rpm-ostree-2021.4-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: rpm-ostree-2021.4-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 33 Update: rpm-ostree-2021.4-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
1932079 – (CVE-2021-3445) CVE-2021-3445 libdnf: libdnf does its own signature verification, but this can be tricked by placing a signature in the main header MISC bugzilla.redhat.com
[SECURITY] Fedora 34 Update: rpm-ostree-2021.4-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159517 Oracle Enterprise Linux Security Update for dnf (ELSA-2021-4464)
  • 179923 Debian Security Update for libdnf (CVE-2021-3445)
  • 239847 Red Hat Update for dnf (RHSA-2021:4464)
  • 281318 Fedora Security Update for rpm (FEDORA-2021-eadfc56b95)
  • 281319 Fedora Security Update for rpm (FEDORA-2021-c6802f0b69)
  • 670710 EulerOS Security Update for libdnf (EulerOS-SA-2021-2468)
  • 670773 EulerOS Security Update for libdnf (EulerOS-SA-2021-2531)
  • 670797 EulerOS Security Update for libdnf (EulerOS-SA-2021-2555)
  • 670934 EulerOS Security Update for libdnf (EulerOS-SA-2021-2468)
  • 750965 OpenSUSE Security Update for libdnf (openSUSE-SU-2021:2685-1)
  • 900043 CBL-Mariner Linux Security Update for libdnf 0.43.1
  • 902828 Common Base Linux Mariner (CBL-Mariner) Security Update for libdnf (4245)
  • 940302 AlmaLinux Security Update for dnf (ALSA-2021:4464)
  • 960804 Rocky Linux Security Update for dnf (RLSA-2021:4464)
© 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