CVE-2021-20314 - Vulnerability Details - OpenCVE

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Libspf2	Libspf2
Redhat	Enterprise Linux

Configuration 1 [-]

cpe:2.3:a:libspf2:libspf2:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Configuration 3 [-]

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

No data.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1993070
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMSFT2NJDZ7PATRZSQPAOGSE7JD6ELOB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJRHPE5OSCPTNA3ZZ4ORDHT4JQH3Y4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y6T4HYXXSUQCGJB2ES6X7Q74YYF7V7XU/
https://security.gentoo.org/glsa/202401-22

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2021-08-12T14:37:09.000Z

Updated: 2025-02-13T16:27:45.177Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20314

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-12T15:15:07.657

Modified: 2024-11-21T05:46:21.493

Link: CVE-2021-20314

Redhat

No data.

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