VulnerableCode Package Details - pkg:deb/ubuntu/gnutls28@3.6.9-5ubuntu1.2

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Vulnerability	Summary	Fixed by
VCID-9gzv-9r4m-aaab Aliases: CVE-2020-24659 GNUTLS-SA-2020-09-04	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.	3.6.13-2ubuntu1.3 Affected by 2 other vulnerabilities. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }}
VCID-cy4t-gfcb-aaak Aliases: 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.	3.6.13-2ubuntu1.6 Affected by 0 other vulnerabilities.
VCID-x6hd-tczu-aaaf Aliases: CVE-2021-20232 GNUTLS-SA-2021-03-10	A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.	3.6.13-2ubuntu1.6 Affected by 0 other vulnerabilities.

Vulnerability

Summary

Fixed by

VCID-9gzv-9r4m-aaab
Aliases:
CVE-2020-24659
GNUTLS-SA-2020-09-04

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.

3.6.13-2ubuntu1.3
Affected by 2 other vulnerabilities.

VCID-cy4t-gfcb-aaak
Aliases:
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.

3.6.13-2ubuntu1.6
Affected by 0 other vulnerabilities.

VCID-x6hd-tczu-aaaf
Aliases:
CVE-2021-20232
GNUTLS-SA-2021-03-10

A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.

3.6.13-2ubuntu1.6
Affected by 0 other vulnerabilities.

Vulnerability	Summary	Aliases
VCID-e5m6-uzg2-aaaj	GnuTLS 3.6.x before 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 first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.	CVE-2020-13777 GNUTLS-SA-2020-06-03

Vulnerability

Summary

Aliases

VCID-e5m6-uzg2-aaaj

GnuTLS 3.6.x before 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 first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.

CVE-2020-13777
GNUTLS-SA-2020-06-03

Next non-vulnerable version	3.6.13-2ubuntu1.6
Latest non-vulnerable version	3.6.13-2ubuntu1.6
Risk	4.4