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Vulnerability Details : CVE-2017-0898

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.
Publish Date : 2017-09-15 Last Update Date : 2018-07-15
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- CVSS Scores & Vulnerability Types

CVSS Score
6.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Memory corruption
CWE ID 134

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:0378: ruby security update (Important) oval:com.redhat.rhsa:def:20180378 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-0898

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 2.2.0 * * * Version Details Vulnerabilities
2 Application Ruby-lang Ruby 2.2.1 * * * Version Details Vulnerabilities
3 Application Ruby-lang Ruby 2.2.2 * * * Version Details Vulnerabilities
4 Application Ruby-lang Ruby 2.2.3 * * * Version Details Vulnerabilities
5 Application Ruby-lang Ruby 2.2.4 * * * Version Details Vulnerabilities
6 Application Ruby-lang Ruby 2.2.5 * * * Version Details Vulnerabilities
7 Application Ruby-lang Ruby 2.2.6 * * * Version Details Vulnerabilities
8 Application Ruby-lang Ruby 2.2.7 * * * Version Details Vulnerabilities
9 Application Ruby-lang Ruby 2.3.0 * * * Version Details Vulnerabilities
10 Application Ruby-lang Ruby 2.3.1 * * * Version Details Vulnerabilities
11 Application Ruby-lang Ruby 2.3.2 * * * Version Details Vulnerabilities
12 Application Ruby-lang Ruby 2.3.3 * * * Version Details Vulnerabilities
13 Application Ruby-lang Ruby 2.3.4 * * * Version Details Vulnerabilities
14 Application Ruby-lang Ruby 2.4.0 * * * Version Details Vulnerabilities
15 Application Ruby-lang Ruby 2.4.1 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 15

- References For CVE-2017-0898

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
MLIST [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update
https://access.redhat.com/errata/RHSA-2018:0583
REDHAT RHSA-2018:0583
https://usn.ubuntu.com/3685-1/
UBUNTU USN-3685-1
https://access.redhat.com/errata/RHSA-2018:0585
REDHAT RHSA-2018:0585
https://access.redhat.com/errata/RHSA-2018:0378
REDHAT RHSA-2018:0378
https://access.redhat.com/errata/RHSA-2017:3485
REDHAT RHSA-2017:3485
https://hackerone.com/reports/212241
http://www.securityfocus.com/bid/100862
BID 100862 Ruby CVE-2017-0898 Buffer Underrun Vulnerability Release Date:2017-10-09
https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/
https://security.gentoo.org/glsa/201710-18
GENTOO GLSA-201710-18
http://www.securitytracker.com/id/1039363
SECTRACK 1039363
https://www.debian.org/security/2017/dsa-4031
DEBIAN DSA-4031
https://github.com/mruby/mruby/issues/3722

- Metasploit Modules Related To CVE-2017-0898

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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