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.
References
Link | Resource |
---|---|
https://gcc.gnu.org/ml/gcc-patches/2017-03/msg01349.html | Mailing List |
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80180 | Issue Tracking Vendor Advisory |
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 |
Configurations
Configuration 1 (hide)
|
Information
Published : 2017-07-26 14:29
Updated : 2018-04-11 18:29
NVD link : CVE-2017-11671
Mitre link : CVE-2017-11671
JSON object : View
CWE
CWE-338
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Products Affected
gnu
- gcc