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Out-of-bounds Read Affecting php7.3 package, versions <7.3.2-1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
57.28% (98th percentile)

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  • Snyk IDSNYK-DEBIAN10-PHP73-337928
  • published22 Feb 2019
  • disclosed22 Feb 2019
Report a new vulnerability Found a mistake?

Introduced: 22 Feb 2019

CVE-2019-9022  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:10 php7.3 to version 7.3.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7.3 package and not the php7.3 package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

An issue was discovered in PHP 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.2. dns_get_record misparses a DNS response, which can allow a hostile DNS server to cause PHP to misuse memcpy, leading to read operations going past the buffer allocated for DNS data. This affects php_parserr in ext/standard/dns.c for DNS_CAA and DNS_ANY queries.