CVE-2017-7548 Missing authorization in postgresql

What is CVE-2017-7548?

CVE-2017-7548 is a high-severity missing authorization vulnerability in Debian Debian Linux, published on 16 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no privileges on a large object to overwrite the entire contents of the object, resulting in a denial of service.

Weakness: CWE-862

Which versions are affected by CVE-2017-7548?

It affects 2 products.

Products include Debian Debian Linux, Postgresql Postgresql.

How do I fix CVE-2017-7548?

Upgrade to a fixed version.

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

Is CVE-2017-7548 being exploited?

There is no known exploitation of CVE-2017-7548 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 ALPINE-CVE-2017-7548, CLEANSTART-2026-EQ51202, GHSA-mmxj-523q-gvxr, UBUNTU-CVE-2017-7548.