CVE-2021-3421
First published: Thu Feb 11 2021(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rpm | <4.17.0 | 4.17.0 |
| Rpm Rpm | <4.16.1.3 | |
| Redhat Enterprise Linux | =8.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.2.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.1.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.7.0.0 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1933867
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1938024
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1938025
- https://github.com/rpm-software-management/rpm/commit/d6a86b5e69e46cc283b1e06c92343319beb42e21
- https://access.redhat.com/security/cve/cve-2021-3421
- https://bugzilla.redhat.com/show_bug.cgi?id=1927747
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/
- https://security.gentoo.org/glsa/202107-43
- https://exchange.xforce.ibmcloud.com/vulnerabilities/203124
- https://www.ibm.com/support/pages/node/6493729 (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/
Frequently Asked Questions
What is CVE-2021-3421?
CVE-2021-3421 is a vulnerability in the RPM package in the read functionality that allows an attacker to cause RPM database corruption.
How does CVE-2021-3421 impact data integrity?
CVE-2021-3421 poses a high threat to data integrity.
Which versions of RPM are affected by CVE-2021-3421?
Versions up to exclusive 4.16.1.3 of RPM are affected by CVE-2021-3421.
How can I fix CVE-2021-3421 on Red Hat Enterprise Linux 8.0?
To fix CVE-2021-3421 on Red Hat Enterprise Linux 8.0, update the RPM package to version 4.17.0 or above.
Where can I find more information about CVE-2021-3421?
You can find more information about CVE-2021-3421 at the following references: [1] [2]
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/remedy
- agent/description
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-3421
- agent/software-canonical-lookup
- agent/tags
- collector/ibm-support
- source/IBM
- vendor/rpm
- canonical/rpm rpm
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/8.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- package-manager/redhat
- vendor/ibm
- canonical/ibm cloud pak for security (cp4s)
- version/ibm cloud pak for security (cp4s)/1.7.2.0
- version/ibm cloud pak for security (cp4s)/1.7.1.0
- version/ibm cloud pak for security (cp4s)/1.7.0.0