CVE-2017-0898

CRITICAL

Ruby <2.4.2, 2.3.5, 2.2.8 - Buffer Overflow/Info Disclosure

Title source: llm
STIX 2.1

Description

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.

References (13)

Core 13
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3685-1/
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/212241
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0585
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0378
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-4031
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100862
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039363
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:3485
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0583
Exploit, Third Party Advisory x_refsource_misc
https://github.com/mruby/mruby/issues/3722
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201710-18

Scores

CVSS v3 9.1
EPSS 0.0972
EPSS Percentile 94.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-134
Status published
Products (16)
HackerOne/Ruby Versions before 2.4.2, 2.3.5, and 2.2.8
ruby-lang/ruby 2.2.0
ruby-lang/ruby 2.2.1
ruby-lang/ruby 2.2.2
ruby-lang/ruby 2.2.3
ruby-lang/ruby 2.2.4
ruby-lang/ruby 2.2.5
ruby-lang/ruby 2.2.6
ruby-lang/ruby 2.2.7
ruby-lang/ruby 2.3.0
... and 6 more
Published Sep 15, 2017
Tracked Since Feb 18, 2026