Bug#1056188: gnutls28: CVE-2023-5981: timing side-channel inside RSA-PSK key exchange

[Salvatore Bonaccorso]

Source: gnutls28
Version: 3.8.1-4
Severity: important
Tags: security upstream
Forwarded: https://gitlab.com/gnutls/gnutls/-/issues/1511
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

[Andreas, just filling for having a BTS reference, realize you know
already]

The following vulnerability was published for gnutls28.

CVE-2023-5981[0]:
| timing side-channel inside RSA-PSK key exchange


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-5981
    https://www.cve.org/CVERecord?id=CVE-2023-5981
[1] https://gitlab.com/gnutls/gnutls/-/issues/1511
[2] https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
[3] https://gitlab.com/gnutls/gnutls/-/commit/29d6298d0b04cfff970b993915db71ba3f580b6d

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore