MGASA-2020-0268 - Updated gnutls packages fix security vulnerability

Publication date: 20 Jun 2020
URL: https://advisories.mageia.org/MGASA-2020-0268.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-13777

Updated gnutls packages fix security vulnerability:

It was found that GnuTLS 3.6.4 introduced a regression in the TLS
protocol implementation. This caused the TLS server to not securely
construct a session ticket encryption key considering the application
supplied secret, allowing a MitM attacker to bypass authentication in
TLS 1.3 and recover previous conversations in TLS 1.2 (CVE-2020-13777).

References:
- https://bugs.mageia.org/show_bug.cgi?id=26749
- https://gnutls.org/security-new.html#GNUTLS-SA-2020-06-03
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13777

SRPMS:
- 7/core/gnutls-3.6.14-1.mga7

Mageia 2020-0268: gnutls security update

Updated gnutls packages fix security vulnerability: It was found that GnuTLS 3.6.4 introduced a regression in the TLS protocol implementation

Summary

Updated gnutls packages fix security vulnerability:
It was found that GnuTLS 3.6.4 introduced a regression in the TLS protocol implementation. This caused the TLS server to not securely construct a session ticket encryption key considering the application supplied secret, allowing a MitM attacker to bypass authentication in TLS 1.3 and recover previous conversations in TLS 1.2 (CVE-2020-13777).

References

- https://bugs.mageia.org/show_bug.cgi?id=26749

- https://gnutls.org/security-new.html#GNUTLS-SA-2020-06-03

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13777

Resolution

MGASA-2020-0268 - Updated gnutls packages fix security vulnerability

SRPMS

- 7/core/gnutls-3.6.14-1.mga7

Severity
Publication date: 20 Jun 2020
URL: https://advisories.mageia.org/MGASA-2020-0268.html
Type: security
CVE: CVE-2020-13777

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