Integer Overflow or Wraparound Affecting ocaml package, versions <4.05.0-10ubuntu1+esm1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-OCAML-310203
- published6 Apr 2018
- disclosed6 Apr 2018
Introduced: 6 Apr 2018
CVE-2018-9838 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 ocaml to version 4.05.0-10ubuntu1+esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ocaml package and not the ocaml package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
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.