CVE-2021-3421
RPM Package Read Functionality Data Integrity Vulnerability
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.
INFO
Published Date :
May 19, 2021, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 6:21 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-3421
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected RPM packages.
- Update the Linux packages as needed.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3421.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3421 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3421
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3421 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3421 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1927747 Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/ Added Reference https://security.gentoo.org/glsa/202107-43 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/ [No types assigned] Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/ [No types assigned] Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/ -
Modified Analysis by [email protected]
Jun. 03, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202107-43 No Types Assigned https://security.gentoo.org/glsa/202107-43 Third Party Advisory -
CVE Modified by [email protected]
Jul. 20, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-43 [No Types Assigned] -
Reanalysis by [email protected]
Jul. 06, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:* versions up to (including) 4.16.1.3 OR *cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:* versions up to (excluding) 4.16.1.3 Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Jun. 03, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1927747 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1927747 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:* versions up to (including) 4.16.1.3 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 5.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} -0.01%
score
0.12253
percentile