CVE-2022-2787 stricter rules on chroot names

What is CVE-2022-2787?

CVE-2022-2787 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 27 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.

Weakness: CWE-281

Which versions are affected by CVE-2022-2787?

It affects 2 products.

Products include Debian Debian Linux, Debian Schroot.

How do I fix CVE-2022-2787?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-2787 being exploited?

There is no known exploitation of CVE-2022-2787 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2022-2787, DLA-3075-1, DSA-5213-1, GHSA-pmr6-f78j-pq2c, MGASA-2022-0329, UBUNTU-CVE-2022-2787 and 1 more.