CVE-2010-2066 Missing authorization in n/a

What is CVE-2010-2066?

CVE-2010-2066 is a medium-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 8 Sep 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVE_EXT ioctl call that specifies this file as a donor.

Which versions are affected by CVE-2010-2066?

It affects 6 products.

Products include Canonical Ubuntu Linux, Linux kernel, Suse Linux Enterprise High Availability Extension, Suse Suse Linux Enterprise Desktop, Suse Suse Linux Enterprise Server, Vmware Esx.

How do I fix CVE-2010-2066?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2010-2066 being exploited?

There is no known exploitation of CVE-2010-2066 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-4hcj-wrww-4fg8.