Improper Input Validation Affecting nettle package, versions <3.5.1+really3.5.1-2ubuntu0.2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.71% (85th percentile)

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  • Snyk IDSNYK-UBUNTU2004-NETTLE-1303240
  • published14 Jun 2021
  • disclosed5 Aug 2021

Introduced: 14 Jun 2021

CVE-2021-3580  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 nettle to version 3.5.1+really3.5.1-2ubuntu0.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nettle package and not the nettle package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

CVSS Base Scores

version 3.1