CVE-2017-12133 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
Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified impact via vectors related to error path.
Source:
MITRE
Description Last Modified:
04/12/2018
View Analysis Description
Analysis Description
The DNS stub resolver in the GNU C Library (glibc) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attackers due to IP fragmentation.
Source:
MITRE
Description Last Modified:
09/07/2017
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
2 change records found
- show changes
CVE Modified by MITRE -
4/12/2018 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
Description |
The DNS stub resolver in the GNU C Library (glibc) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attackers due to IP fragmentation. |
Use-after-free vulnerability in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) before 2.26 allows remote attackers to have unspecified impact via vectors related to error path. |
| Added |
Reference |
|
https://www.securityfocus.com/bid/100679 [No Types Assigned] |
Initial Analysis -
9/14/2017 2:03:51 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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYZL6PAKI73XYRJYL5VLDGA4FFGWMB7A/ No Types Assigned |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYZL6PAKI73XYRJYL5VLDGA4FFGWMB7A/ Third Party Advisory |
| Changed |
Reference Type |
https://sourceware.org/bugzilla/show_bug.cgi?id=21115 No Types Assigned |
https://sourceware.org/bugzilla/show_bug.cgi?id=21115 Issue Tracking, Third Party Advisory |
| Changed |
Reference Type |
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d42eed4a044e5e10dfb885cf9891c2518a72a491 No Types Assigned |
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d42eed4a044e5e10dfb885cf9891c2518a72a491 Mailing List, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2017-12133
NVD Published Date:
09/07/2017
NVD Last Modified:
04/12/2018
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