QID 198408

Date Published: 2021-06-23

QID 198408: Ubuntu Security Notification for Nettle vulnerabilities (USN-4990-1)

Nettle incorrectly handled rsa decryption.
Nettle incorrectly handled certain padding oracles.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a remote attacker could possibly use this issue to cause nettle to crash, resulting in a denial of service. (
cve-2021-3580).
a remote attacker could possibly use this issue to perform a variant of the bleichenbacher attack.
This issue only affected ubuntu 18.04 lts.
(cve-2018-16869).

  • CVSS V3 rated as Medium - 5.7 severity.
  • CVSS V2 rated as Medium - 3.3 severity.
    • Solution
    Refer to Ubuntu advisory: USN-4990-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198408

    CVE-2018-16869 | CVE-2021-3580 |
    Software Advisories
    Advisory ID Software Component Link
    USN-4990-1 Ubuntu Linux URL Logo usn.ubuntu.com/4990-1
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