Strix
26.1K

CVE-2019-9022

UnknownEPSS 4.11%

Last modified

CVE-2019-9022 is a vulnerability of currently unknown severity. 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. EPSS estimates a 4.11% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
4.11%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PhpPhp>= 7.0.0, < 7.1.26
PhpPhp>= 7.2.0, < 7.2.14
PhpPhp>= 7.3.0, < 7.3.2
DebianDebian Linux8.0
DebianDebian Linux9.0
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
NetappStorage Automation StoreAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-9022?
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.
How severe is CVE-2019-9022?
Severity scoring for CVE-2019-9022 is pending analysis. The EPSS model estimates a 4.11% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9022?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9022?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST