CVE-2018-9838 Integer overflow in n/a

Critical 9.8 Published Updated

Integer overflow in OCaml's bigarray deserialization allows remote attackers to cause denial of service or execute arbitrary code via crafted marshalled data.

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

What is CVE-2018-9838?

CVE-2018-9838 is a critical vulnerability in n/a, published on 6 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The caml_ba_deserialize function in byterun/bigarray.c in the standard library in OCaml 4.06.0 has an integer overflow which, in situations where marshalled data is accepted from an untrusted source, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted object.

Weakness: CWE-190

Which versions are affected by CVE-2018-9838?

It affects 1 product.

Linux distribution packages (4)
ocaml SUSE:Linux Enterprise Software Development Kit 11 SP4All versions4.02.1-4.3.2
ocaml SUSE:Linux Enterprise Software Development Kit 11 SP4All versions4.02.1-4.6.1
ocaml SUSE:Linux Enterprise Software Development Kit 12 SP3All versions4.03.0-8.3.1
ocaml SUSE:Linux Enterprise Software Development Kit 12 SP3All versions4.03.0-8.6.8

Products include Ocaml Ocaml.

How do I fix CVE-2018-9838?

Apply the vendor's patch.

Is CVE-2018-9838 being exploited?

There is no known exploitation of CVE-2018-9838 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-9838, GHSA-wc7m-73fq-26mj, MGASA-2019-0124, OSEC-2018-01, SUSE-SU-2018:0983-1, SUSE-SU-2018:1075-1 and 3 more.

Is CVE-2018-9838 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free