Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2021-3421: CVE-2021-3421 rpm: unsigned signature header leads to string injection into an rpm database (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Red Hat: CVE-2021-3421: CVE-2021-3421 rpm: unsigned signature header leads to string injection into an rpm database (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
05/19/2021
Created
09/20/2021
Added
09/10/2021
Modified
12/15/2023

Description

A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.

Solution(s)

  • redhat-upgrade-python3-rpm
  • redhat-upgrade-python3-rpm-debuginfo
  • redhat-upgrade-rpm
  • redhat-upgrade-rpm-apidocs
  • redhat-upgrade-rpm-build
  • redhat-upgrade-rpm-build-debuginfo
  • redhat-upgrade-rpm-build-libs
  • redhat-upgrade-rpm-build-libs-debuginfo
  • redhat-upgrade-rpm-cron
  • redhat-upgrade-rpm-debuginfo
  • redhat-upgrade-rpm-debugsource
  • redhat-upgrade-rpm-devel
  • redhat-upgrade-rpm-devel-debuginfo
  • redhat-upgrade-rpm-libs
  • redhat-upgrade-rpm-libs-debuginfo
  • redhat-upgrade-rpm-plugin-fapolicyd
  • redhat-upgrade-rpm-plugin-fapolicyd-debuginfo
  • redhat-upgrade-rpm-plugin-ima
  • redhat-upgrade-rpm-plugin-ima-debuginfo
  • redhat-upgrade-rpm-plugin-prioreset
  • redhat-upgrade-rpm-plugin-prioreset-debuginfo
  • redhat-upgrade-rpm-plugin-selinux
  • redhat-upgrade-rpm-plugin-selinux-debuginfo
  • redhat-upgrade-rpm-plugin-syslog
  • redhat-upgrade-rpm-plugin-syslog-debuginfo
  • redhat-upgrade-rpm-plugin-systemd-inhibit
  • redhat-upgrade-rpm-plugin-systemd-inhibit-debuginfo
  • redhat-upgrade-rpm-sign
  • redhat-upgrade-rpm-sign-debuginfo

References

  • CVE-2021-3421
  • RHSA-2021:2574
  • RHSA-2021:2791

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
  • Lightweight Endpoint Agent
  • Live Dashboards
  • Real Risk Prioritization
  • IT-Integrated Remediation Projects
  • Cloud, Virtual, and Container Assessment
  • Integrated Threat Feeds
  • Easy-to-Use RESTful API
  • Automation-Assisted Patching
  • Automated Containment
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;