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CVE-2017-9772

Published: 23 June 2017

Insufficient sanitisation in the OCaml compiler versions 4.04.0 and 4.04.1 allows external code to be executed with raised privilege in binaries marked as setuid, by setting the CAML_CPLUGINS, CAML_NATIVE_CPLUGINS, or CAML_BYTE_CPLUGINS environment variable.

Notes

AuthorNote
seth-arnold
Look for further modifications that would handle filesystem
capabilities or other reasons for `AT_SECURE` to be set in getauxval(3).
mdeslaur
only affects 4.04.0 and 4.04.1

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
ocaml
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(4.05.0-10ubuntu1)
cosmic Not vulnerable
(4.05.0-10ubuntu1)
disco Not vulnerable
(4.05.0-10ubuntu1)
trusty Not vulnerable
(4.01.0-3ubuntu3)
upstream
Released (4.04.2)
xenial Not vulnerable
(4.02.3-5ubuntu2)
yakkety Ignored
(end of life)
zesty Not vulnerable
(4.02.3-6ubuntu2)
Patches:
upstream: https://github.com/ocaml/ocaml/commit/38e2cd6a580e5b14a503f34d5ca7709d190c36a3
upstream: https://github.com/ocaml/ocaml/commit/bd801361f855017a2fb13435e218bc7fbbaf0896
upstream: https://github.com/ocaml/ocaml/commit/850021c200c7507f2a928a66fa1291ff4ae3a622

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H