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.
References
Link | Resource |
---|---|
https://access.redhat.com/security/cve/CVE-2021-4209 | Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2044156 | Issue Tracking Third Party Advisory |
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 |
Configurations
Configuration 1 (hide)
|
Configuration 2 (hide)
|
Configuration 3 (hide)
|
Configuration 4 (hide)
AND |
|
History
27 Oct 2022, 16:57
Type | Values Removed | Values Added |
---|---|---|
First Time |
Netapp solidfire \& Hci Management Node
Netapp active Iq Unified Manager Netapp Netapp hci Compute Node Netapp hci Bootstrap Os |
|
CPE | cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* cpe:2.3:a:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:* |
|
References | (CONFIRM) https://security.netapp.com/advisory/ntap-20220915-0005/ - Third Party Advisory |
15 Sep 2022, 18:15
Type | Values Removed | Values Added |
---|---|---|
References |
|
29 Aug 2022, 13:21
Type | Values Removed | Values Added |
---|---|---|
First Time |
Redhat
Gnu Gnu gnutls Redhat enterprise Linux |
|
CPE | cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
|
References | (MISC) https://gitlab.com/gnutls/gnutls/-/issues/1306 - Third Party Advisory | |
References | (MISC) https://gitlab.com/gnutls/gnutls/-/commit/3db352734472d851318944db13be73da61300568 - Patch, Third Party Advisory | |
References | (MISC) https://access.redhat.com/security/cve/CVE-2021-4209 - Third Party Advisory | |
References | (MISC) https://gitlab.com/gnutls/gnutls/-/merge_requests/1503 - Third Party Advisory | |
References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2044156 - Issue Tracking, Third Party Advisory | |
CWE | CWE-476 | |
CVSS |
v2 : v3 : |
v2 : unknown
v3 : 6.5 |
24 Aug 2022, 16:24
Type | Values Removed | Values Added |
---|---|---|
New CVE |
Information
Published : 2022-08-24 16:15
Updated : 2023-12-10 14:35
NVD link : CVE-2021-4209
Mitre link : CVE-2021-4209
CVE.ORG link : CVE-2021-4209
JSON object : View
Products Affected
gnu
- gnutls
redhat
- enterprise_linux
netapp
- active_iq_unified_manager
- hci_compute_node
- solidfire_\&_hci_management_node
- hci_bootstrap_os
CWE
CWE-476
NULL Pointer Dereference