CVE-2019-9637 Race condition in n/a

What is CVE-2019-9637?

CVE-2019-9637 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 8 Mar 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 before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. Due to the way rename() across filesystems is implemented, it is possible that file being renamed is briefly available with wrong permissions while the rename is ongoing, thus enabling unauthorized users to access the data.

Weakness: CWE-264

Which versions are affected by CVE-2019-9637?

It affects 5 products.

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

How do I fix CVE-2019-9637?

Upgrade to a fixed version.

Is CVE-2019-9637 being exploited?

There is no known exploitation of CVE-2019-9637 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-hq76-774r-jcwj, UBUNTU-CVE-2019-9637.