CVE-2020-24659
PoC —CVSS 3.1
7.5 high
EPSS
4%p89
Published
()
Modified
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.
- Vendors
- gnufedoraprojectopensusecanonical
- Products
- gnutls, fedora, leap, ubuntu linux
- Weakness
- CWE-476, CWE-787
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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