vulnerability
Red Hat: CVE-2020-24659: CVE-2020-24659 gnutls: Heap buffer overflow in handshake with no_renegotiation alert sent (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | 2020-09-04 | 2020-12-21 | 2023-12-15 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
2020-09-04
Added
2020-12-21
Modified
2023-12-15
Description
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.
Solution(s)
redhat-upgrade-gnutlsredhat-upgrade-gnutls-credhat-upgrade-gnutls-c-debuginforedhat-upgrade-gnutls-daneredhat-upgrade-gnutls-dane-debuginforedhat-upgrade-gnutls-debuginforedhat-upgrade-gnutls-debugsourceredhat-upgrade-gnutls-develredhat-upgrade-gnutls-utilsredhat-upgrade-gnutls-utils-debuginfo
References
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