CVE-2021-3421
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Rpm
PublishedMay 19, 2021
First seenMay 19, 2021
Weakness typeCWE-347CWE-347
How to fix
Update
- rpm rpm4.16.1.3 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/
- security.gentoo.org/glsa/202107-43
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rpm rpm | v < 4.16.1.3 | 4.16.1.3 |
| redhat enterprise_linux | 8.0 | — |
| fedoraproject fedora | 32, 33, 34 | — |
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