CVE-2019-9022 Memory corruption in n/a

What is CVE-2019-9022?

CVE-2019-9022 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 22 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-125

Which versions are affected by CVE-2019-9022?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Netapp Storage Automation Store, Php Php.

How do I fix CVE-2019-9022?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-9022 being exploited?

There is no known exploitation of CVE-2019-9022 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wvv6-mrff-rp8j, UBUNTU-CVE-2019-9022.