Gentoo: GLSA-202007-48 Normal: OCaml Integer Overflow Code Execution Risk
gentoo
July 26, 2020
An integer overflow was discovered in OCaml's standard library, possibly allowing arbitrary execution of code.
Summary
The caml_ba_deserialize function in byterun/bigarray.c in the standard library of OCaml has an integer overflow.
Topics Covered
Resolution
All OCaml users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ocaml-4.09.0"
References
[ 1 ] CVE-2018-9838 https://nvd.nist.gov/vuln/detail/CVE-2018-9838
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202007-48
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
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Severity: Normal
Title: OCaml: Arbitrary code execution
Date: July 27, 2020
Bugs: #719134
ID: 202007-48
Topics Covered
Background
OCaml is a high-level, strongly-typed, functional, and object-oriented
programming language from the ML family of languages
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-lang/ocaml < 4.09.0 >= 4.09.0
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.
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