Out-of-bounds Read Affecting ldns-devel package, versions <0:1.6.16-10.amzn2.0.3


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.27% (69th percentile)

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  • Snyk IDSNYK-AMZN2-LDNSDEVEL-5496446
  • published4 May 2023
  • disclosed21 Jan 2022

Introduced: 21 Jan 2022

CVE-2020-19860  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 ldns-devel to version 0:1.6.16-10.amzn2.0.3 or higher.
This issue was patched in ALAS2-2023-2032.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ldns-devel package and not the ldns-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.

CVSS Base Scores

version 3.1