CVE-2017-0898 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current 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.
Source:
MITRE
Description Last Modified:
09/21/2017
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
09/21/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
9.1 CRITICAL
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
(V3 legend)
Impact Score:
5.2
Exploitability Score:
3.9
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
CVSS v2.0 Severity and Metrics:
Base Score:
6.4 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
(V2 legend)
Impact Subscore:
4.9
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows disruption of service
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Format String Vulnerability (CWE-134)
Change History
11 change records found
- show changes
CVE Modified by MITRE -
7/14/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html [No Types Assigned] |
CVE Modified by MITRE -
6/15/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://usn.ubuntu.com/3685-1/ [No Types Assigned] |
CVE Modified by MITRE -
3/27/2018 9:29:06 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:0583 [No Types Assigned] |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:0585 [No Types Assigned] |
CVE Modified by MITRE -
3/1/2018 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:0378 [No Types Assigned] |
CVE Modified by MITRE -
12/19/2017 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:3485 [No Types Assigned] |
CVE Modified by MITRE -
11/12/2017 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://www.debian.org/security/2017/dsa-4031 [No Types Assigned] |
CVE Modified by MITRE -
10/18/2017 9:30:21 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/201710-18 [No Types Assigned] |
Initial Analysis -
9/26/2017 2:25:35 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
Record truncated, showing 500 of 767 characters.
View Entire Change Record
OR
*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:* |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:P/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| Added |
CWE |
|
CWE-134 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/100862 No Types Assigned |
http://www.securityfocus.com/bid/100862 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
http://www.securitytracker.com/id/1039363 No Types Assigned |
http://www.securitytracker.com/id/1039363 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://github.com/mruby/mruby/issues/3722 No Types Assigned |
https://github.com/mruby/mruby/issues/3722 Exploit, Third Party Advisory |
| Changed |
Reference Type |
https://hackerone.com/reports/212241 No Types Assigned |
https://hackerone.com/reports/212241 Exploit, Third Party Advisory |
| Changed |
Reference Type |
https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/ No Types Assigned |
https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/ Vendor Advisory |
CVE Modified by MITRE -
9/21/2017 9:29:24 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
Description |
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a leakage of its heap by the malicious specification of the format of sprintf method. If a script allows to accept any format from the outside, there is a risk to be spied the contents of the heap. |
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. |
CVE Modified by MITRE -
9/19/2017 9:29:02 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/100862 [No Types Assigned] |
CVE Modified by MITRE -
9/16/2017 9:29:05 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securitytracker.com/id/1039363 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-0898
NVD Published Date:
09/15/2017
NVD Last Modified:
07/14/2018
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