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Joined: 12 May 2004
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PostPosted: Tue Jul 28, 2020 10:26 pm    Post subject: [ GLSA 202007-48 ] OCaml Reply with quote

Gentoo Linux Security Advisory

Title: OCaml: Arbitrary code execution (GLSA 202007-48)
Severity: normal
Exploitable: remote
Date: 2020-07-27
Bug(s): #719134
ID: 202007-48

Synopsis

An integer overflow was discovered in OCaml's standard library,
possibly allowing arbitrary execution of code.


Background

OCaml is a high-level, strongly-typed, functional, and object-oriented
programming language from the ML family of languages


Affected Packages

Package: dev-lang/ocaml
Vulnerable: < 4.09.0
Unaffected: >= 4.09.0
Architectures: All supported architectures


Description

The caml_ba_deserialize function in byterun/bigarray.c in the standard
library of OCaml has an integer overflow.


Impact

A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All OCaml users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-lang/ocaml-4.09.0"
   


References

CVE-2018-9838
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