vulnerability
Ubuntu: USN-4233-2: GnuTLS update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:N) | Jan 23, 2020 | Jan 24, 2020 | Feb 19, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:N)
Published
Jan 23, 2020
Added
Jan 24, 2020
Modified
Feb 19, 2025
Description
USN-4233-1 disabled SHA1 being used for digital signature operations in GnuTLS. In certain network environments, certificates using SHA1 may still be in use. This update adds the %VERIFY_ALLOW_BROKEN and %VERIFY_ALLOW_SIGN_WITH_SHA1 priority strings that can be used to temporarily re-enable SHA1 until certificates can be replaced with a stronger algorithm.
Original advisory details:
As a security improvement, this update marks SHA1 as being untrusted for digital signature operations.
Solution
ubuntu-upgrade-libgnutls30
References
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