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Linux Distros Unpatched Vulnerability : CVE-2018-9838

critical Nessus Plugin ID 221804

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - 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. (CVE-2018-9838)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2018-9838

Plugin Details

Severity: Critical

ID: 221804

File Name: unpatched_CVE_2018_9838.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/4/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-9838

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:ocaml-compiler-libs, p-cpe:/a:centos:centos:ocaml-source, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:ocaml-labltk-devel, p-cpe:/a:redhat:enterprise_linux:ocaml-labltk-devel, p-cpe:/a:redhat:enterprise_linux:ocaml, p-cpe:/a:redhat:enterprise_linux:ocaml-ocamldoc, p-cpe:/a:centos:centos:ocaml-ocamldoc, p-cpe:/a:centos:centos:ocaml-emacs, p-cpe:/a:redhat:enterprise_linux:ocaml-labltk, p-cpe:/a:redhat:enterprise_linux:ocaml-source, p-cpe:/a:redhat:enterprise_linux:ocaml-camlp4, p-cpe:/a:centos:centos:ocaml-x11, p-cpe:/a:centos:centos:ocaml-runtime, p-cpe:/a:redhat:enterprise_linux:ocaml-emacs, p-cpe:/a:centos:centos:ocaml-camlp4-devel, p-cpe:/a:redhat:enterprise_linux:ocaml-compiler-libs, p-cpe:/a:centos:centos:ocaml-camlp4, p-cpe:/a:centos:centos:ocaml-labltk, p-cpe:/a:redhat:enterprise_linux:ocaml-x11, p-cpe:/a:redhat:enterprise_linux:ocaml-docs, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:ocaml-runtime, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:ocaml-docs, p-cpe:/a:redhat:enterprise_linux:ocaml-camlp4-devel, p-cpe:/a:centos:centos:ocaml

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/6/2018

Reference Information

CVE: CVE-2018-9838