CVE-2018-9838 — Vulnetix

CVE-2018-9838 PUBLISHED

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.

EPSS 8.12% · 92.3th percentile

Risk Scores

EPSS Score

8.12%

92.3th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:18.04:LTS	ocaml	4.05.0-10ubuntu1, 4.04.0-2ubuntu4, 0
Ubuntu:Pro:16.04:LTS	ocaml	0, 4.01.0-4ubuntu1, 4.02.3-5ubuntu1
Ubuntu:Pro:14.04:LTS	ocaml	0, 3.12.1-4ubuntu1, 4.01.0-3ubuntu2

Exploit Intelligence

An integer overflow in the `bigarray` serialization module leads to arbitrary code execution (ocaml)
An integer overflow in the `bigarray` serialization module leads to arbitrary code execution (ocaml)

Timeline

Apr 6, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Oct 26, 2021 EPSS Score
Dec 27, 2021 EPSS Score
Feb 28, 2022 EPSS Score
Jul 3, 2022 EPSS Score
Sep 5, 2022 EPSS Score
Nov 6, 2022 EPSS Score
Mar 7, 2023 EPSS Score
Mar 11, 2023 EPSS Score
May 13, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2018-9838 third-party-advisory
https://ubuntu.com/security/notices/USN-4778-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2018-9838 third-party-advisory

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