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gnutls vulnerabilities and exploits
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CVE-2021-4209
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.
Gnu Gnutls
Redhat Enterprise Linux 8.0
Netapp Solidfire \\& Hci Management Node -
Netapp Active Iq Unified Manager -
Netapp Hci Bootstrap Os -
445
VMScore
CVE-2020-24659
An issue exists in GnuTLS prior to 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,...
Gnu Gnutls
Fedoraproject Fedora 32
Fedoraproject Fedora 33
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 20.04
383
VMScore
CVE-2015-8313
GnuTLS incorrectly validates the first byte of padding in CBC modes
Gnu Gnutls
Debian Debian Linux 7.0
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Debian Debian Linux 10.0
516
VMScore
CVE-2020-11501
GnuTLS 3.6.x prior to 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 (2018-07-16) because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to ...
Gnu Gnutls
Debian Debian Linux 10.0
Opensuse Leap 15.1
Canonical Ubuntu Linux 19.10
Fedoraproject Fedora 31
Fedoraproject Fedora 32
670
VMScore
CVE-2021-20231
A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.
Gnu Gnutls
Redhat Enterprise Linux 8.0
Fedoraproject Fedora 34
Netapp Active Iq Unified Manager -
Netapp E-series Performance Analyzer -
518
VMScore
CVE-2020-13777
GnuTLS 3.6.x prior to 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the firs...
Gnu Gnutls
Fedoraproject Fedora 31
Fedoraproject Fedora 32
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 10.0
8 Github repositories
NA
CVE-2022-2509
A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.
Gnu Gnutls
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux 9.0
Fedoraproject Fedora 35
Debian Debian Linux 10.0
Debian Debian Linux 11.0
2 Github repositories
NA
CVE-2023-0361
A timing side-channel in the handling of RSA ClientKeyExchange messages exists in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attacker woul...
Gnu Gnutls 3.6.8-11.el8 2
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 36
Fedoraproject Fedora 37
Fedoraproject Fedora 38
Netapp Ontap Select Deploy Administration Utility -
Netapp Active Iq Unified Manager -
Netapp Converged Systems Advisor Agent -
383
VMScore
CVE-2008-4989
The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS prior to 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows man-in-the-middle malicious users to insert a spoofed cer...
Gnu Gnutls
Fedoraproject Fedora 9
Fedoraproject Fedora 8
Canonical Ubuntu Linux 7.10
Canonical Ubuntu Linux 8.10
Canonical Ubuntu Linux 8.04
Canonical Ubuntu Linux 6.06
Debian Debian Linux 4.0
Suse Linux Enterprise Server 11
Suse Linux Enterprise Server 10
Suse Linux Enterprise 11.0
Suse Linux Enterprise 10.0
Opensuse Opensuse
151
VMScore
CVE-2006-0956
nuauth in NuFW prior to 1.0.21 does not properly handle blocking TLS sockets, which allows remote authenticated users to cause a denial of service (service hang) by flooding packets at the authentication server.
Nufw Nufw Firewall 1.0.20
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
path traversal
CVE-2024-26978
CVE-2024-26982
wireless
CVE-2023-6949
CVE-2024-26980
CVE-2024-32766
CVE-2024-26939
cache poisoning
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