7.5
CVE-2020-24659
- EPSS 3.4%
- Veröffentlicht 04.09.2020 15:15:10
- Zuletzt bearbeitet 21.11.2024 05:15:26
- Quelle cve@mitre.org
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An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a no_renegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the gnutls_deinit function is called after detecting a handshake failure.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Canonical ≫ Ubuntu Linux Version20.04 SwEditionlts
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 3.4% | 0.87 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:P
|
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.