CVE-2017-11671
GCC I386 RDRAND/RDSEED Information Leak
Description
Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. This could potentially lead to less randomness in random number generation.
INFO
Published Date :
July 26, 2017, 9:29 p.m.
Last Modified :
April 12, 2018, 1:29 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
2.5
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-11671.
| URL | Resource |
|---|---|
| http://openwall.com/lists/oss-security/2017/07/27/2 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/100018 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:0849 | |
| https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80180 | Issue Tracking Vendor Advisory |
| https://gcc.gnu.org/ml/gcc-patches/2017-03/msg01349.html | Mailing List |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-11671 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-11671 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 12, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:0849 [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 09, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type http://www.securityfocus.com/bid/100018 No Types Assigned http://www.securityfocus.com/bid/100018 Third Party Advisory, VDB Entry Changed Reference Type https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80180 No Types Assigned https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80180 Issue Tracking, Vendor Advisory Changed Reference Type http://openwall.com/lists/oss-security/2017/07/27/2 No Types Assigned http://openwall.com/lists/oss-security/2017/07/27/2 Mailing List, Third Party Advisory Changed Reference Type https://gcc.gnu.org/ml/gcc-patches/2017-03/msg01349.html No Types Assigned https://gcc.gnu.org/ml/gcc-patches/2017-03/msg01349.html Mailing List Added CWE CWE-338 Added CPE Configuration OR *cpe:2.3:a:gnu:gcc:4.6:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:4.7:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:4.8:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:4.9:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:5.0:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:5.1:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:5.2:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:5.3:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:5.4:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:6.0:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:6.1:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:6.2:*:*:*:*:*:*:* *cpe:2.3:a:gnu:gcc:6.3:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 02, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/100018 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 28, 2017
Action Type Old Value New Value Changed Description Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. Under certain circumstances, the ix86_expand_builtin function in i386.c in GNU Compiler Collection (GCC) version 4.6, 4.7, 4.8, 4.9, 5 before 5.5, and 6 before 6.4 will generate instruction sequences that clobber the status flag of the RDRAND and RDSEED intrinsics before it can be read, potentially causing failures of these instructions to go unreported. This could potentially lead to less randomness in random number generation. Added Reference http://openwall.com/lists/oss-security/2017/07/27/2 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-11671 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-11671
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.00%
score
0.50626
percentile