CVE-2020-15708 Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability

What is CVE-2020-15708?

CVE-2020-15708 is a critical vulnerability in Canonical Ubuntu Linux, published on 6 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. An attacker could use this to overwrite arbitrary files or execute arbitrary code.

Weakness: CWE-732

Which versions are affected by CVE-2020-15708?

It affects 1 product.

Products include Canonical Ubuntu Linux.

How do I fix CVE-2020-15708?

Apply the vendor's patch.

Is CVE-2020-15708 being exploited?

There is no known exploitation of CVE-2020-15708 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-6pr6-q53r-2q97, UBUNTU-CVE-2020-15708, USN-4452-1.