CVE-2021-3445

A 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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.1 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.1^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:N/C:P/I:P/A:P

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4NL7TNWAHJ6JVRABQUPWHKKCTHUZMNF/	Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1932079	Issue Tracking Mitigation Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DPMFGGQ5T6WVFTFX3OKMVTTM5O4EXWZR/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:rpm:libdnf:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Configuration 3 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2021-05-19 07:15

Updated : 2022-02-24 11:28

NVD link : CVE-2021-3445

Mitre link : CVE-2021-3445

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

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Products Affected

redhat

enterprise_linux

rpm

libdnf

fedoraproject

fedora

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