CVE-2016-8637 Detail
Current Description
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Source:
MITRE
Description Last Modified:
08/01/2018
View Analysis Description
Analysis Description
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Source:
MITRE
Description Last Modified:
08/01/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.8 HIGH
Vector:
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
2.1 LOW
Vector:
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
None
Availability (A):
None
Additional Information:
Allows unauthorized disclosure of information
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Information Leak / Disclosure (CWE-200)
Change History
2 change records found
- show changes
Initial Analysis -
10/9/2018 3:36:21 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:dracut_project:dracut:*:*:*:*:*:*:*:* versions up to (excluding) 045 |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:P/I:N/A:N) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-200 |
| Changed |
Reference Type |
http://seclists.org/oss-sec/2016/q4/352 No Types Assigned |
http://seclists.org/oss-sec/2016/q4/352 Exploit, Mailing List, Third Party Advisory |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/94128 No Types Assigned |
http://www.securityfocus.com/bid/94128 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 Exploit, Issue Tracking, Third Party Advisory |
| Changed |
Reference Type |
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4 No Types Assigned |
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4 Patch, Third Party Advisory |
CVE Modified by MITRE -
8/2/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/94128 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2016-8637
NVD Published Date:
08/01/2018
NVD Last Modified:
10/09/2018
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