Unchecked Input for Loop Condition Affecting unbound package, versions [,1.21.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.57% (68th percentile)

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  • Snyk IDSNYK-UNMANAGED-UNBOUND-8171473
  • published9 Oct 2024
  • disclosed3 Oct 2024
  • creditToshifumi Sakaguchi

Introduced: 3 Oct 2024

CVE-2024-8508  (opens in a new tab)
CWE-606  (opens in a new tab)

How to fix?

Upgrade unbound to version 1.21.0 or higher.

Overview

Affected versions of this package are vulnerable to Unchecked Input for Loop Condition due to not having a hard limit on the number of name compression calculations that are performed per packet. An attacker can degrade performance and cause a denial of service by sending specially crafted DNS queries that lead to excessive name compression calculations.

CVSS Base Scores

version 4.0
version 3.1