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Test ID:1.3.6.1.4.1.25623.1.0.844894
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-4906-1)
Summary:The remote host is missing an update for the 'nettle' package(s) announced via the USN-4906-1 advisory.
Description:Summary:
The remote host is missing an update for the 'nettle' package(s) announced via the USN-4906-1 advisory.

Vulnerability Insight:
It was discovered that Nettle incorrectly handled signature verification.
A remote attacker could use this issue to cause Nettle to crash, resulting
in a denial of service, or possibly force invalid signatures.

Affected Software/OS:
'nettle' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10.

Solution:
Please install the updated package(s).

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-20305
Debian Security Information: DSA-4933 (Google Search)
https://www.debian.org/security/2021/dsa-4933
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQKWVVMAIDAJ7YAA3VVO32BHLDOH2E63/
https://security.gentoo.org/glsa/202105-31
https://bugzilla.redhat.com/show_bug.cgi?id=1942533
https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html
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