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CVE-2017-0898

Published: 15 September 2017

Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.

Notes

AuthorNote
mdeslaur
backported patch in debian (2.3.3-1+deb9u2) package
Priority

Medium

CVSS 3 base score: 9.1

Status

Package Release Status
ruby1.9.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was released [1.9.3.484-2ubuntu1.5])
upstream Needs triage

xenial Does not exist

zesty Does not exist

ruby2.0
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was released [2.0.0.484-1ubuntu2.10])
upstream Needs triage

xenial Does not exist

zesty Does not exist

ruby2.3
Launchpad, Ubuntu, Debian
artful
Released (2.3.3-1ubuntu1.6)
bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (2.3.5)
xenial
Released (2.3.1-2~16.04.10)
zesty Ignored
(reached end-of-life)
Patches:
other: https://github.com/mruby/mruby/commit/f0abd4241f2a8087db4c460cf4b1f531c17c1404