Out-of-bounds Read Affecting powerdns package, versions [,4.1.8)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
34.87% (98th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-POWERDNS-2371671
  • published26 Jan 2022
  • disclosed3 Dec 2018
  • creditUnknown

Introduced: 3 Dec 2018

CVE-2018-16855  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade powerdns to version 4.1.8 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read. An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.

References

CVSS Scores

version 3.1