6.5

CVE-2021-4209

EPSS 0.17%
Veröffentlicht 24.08.2022 16:15:09
Zuletzt bearbeitet 21.11.2024 06:37:09
Quelle secalert@redhat.com
Teams Watchlist Login
Unerledigt Login

A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 9

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Gnu ≫ Gnutls Version < 3.7.3

Redhat ≫ Enterprise Linux Version8.0

Netapp ≫ Active Iq Unified Manager Version- SwPlatformvmware_vsphere

Netapp ≫ Solidfire & Hci Management Node Version-

Netapp ≫ Hci Bootstrap Os Version-

Netapp ≫ Hci Compute Node Version-

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.17%	0.389

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
nvd@nist.gov	6.5	2.8	3.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://access.redhat.com/security/cve/CVE-2021-4209

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2044156

Third Party Advisory

Issue Tracking

https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568

Patch

Third Party Advisory

https://gitlab.com/gnutls/gnutls/-/issues/1306

Third Party Advisory

https://gitlab.com/gnutls/gnutls/-/merge_requests/1503

Third Party Advisory

https://security.netapp.com/advisory/ntap-20220915-0005/

Third Party Advisory

https://nvd.nist.gov/vuln/detail/CVE-2021-4209

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-4209

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-4209

EUVD