CVE-2017-9772 Privilege escalation in n/a

Critical 9.8 Published 23 Jun 2017 Updated 5 Aug 2024

Attackers can execute arbitrary code with elevated privileges in setuid binaries by manipulating specific environment variables in the OCaml compiler.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-9772?

CVE-2017-9772 is a critical vulnerability in n/a, published on 23 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Insufficient sanitisation in the OCaml compiler versions 4.04.0 and 4.04.1 allows external code to be executed with raised privilege in binaries marked as setuid, by setting the CAML_CPLUGINS, CAML_NATIVE_CPLUGINS, or CAML_BYTE_CPLUGINS environment variable.

Which versions are affected by CVE-2017-9772?

It affects 1 product.

Products include Ocaml Ocaml.

How do I fix CVE-2017-9772?

Apply the vendor's patch.

Is CVE-2017-9772 being exploited?

There is no known exploitation of CVE-2017-9772 in the wild and no public exploit code.

Sources

Also known as GHSA-jggq-92ww-7r4w, OSEC-2017-01.