CVE-2017-12132 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
The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.
Source:
MITRE
Description Last Modified:
08/01/2017
View Analysis Description
Analysis Description
The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.
Source:
MITRE
Description Last Modified:
08/01/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.9 MEDIUM
Vector:
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
(V3 legend)
Impact Score:
3.6
Exploitability Score:
2.2
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
CVSS v2.0 Severity and Metrics:
Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
Partial
Availability (A):
None
Additional Information:
Allows unauthorized modification
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Change History
3 change records found
- show changes
CVE Modified by MITRE -
5/3/2018 9:29:03 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/100598 [No Types Assigned] |
CVE Modified by MITRE -
4/11/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:0805 [No Types Assigned] |
Initial Analysis -
8/4/2017 12:00:54 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:gnu:glibc:2.25:*:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:P/A:N) |
| Added |
CVSS V3 |
|
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Added |
CWE |
|
CWE-19 |
| Changed |
Reference Type |
https://arxiv.org/pdf/1205.4011.pdf No Types Assigned |
https://arxiv.org/pdf/1205.4011.pdf Technical Description, Third Party Advisory |
| Changed |
Reference Type |
https://sourceware.org/bugzilla/show_bug.cgi?id=21361 No Types Assigned |
https://sourceware.org/bugzilla/show_bug.cgi?id=21361 Issue Tracking, Patch, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2017-12132
NVD Published Date:
08/01/2017
NVD Last Modified:
05/03/2018
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