Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-0898

Severity CVSS v4.0:
Pending analysis
Type:
CWE-134 Format String Vulnerability
Publication date:
15/09/2017
Last modified:
20/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): High

Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): Physical

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ruby-lang:ruby:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.6:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.2.7:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.4.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools