CVE-2021-0086
Intel Floating-Point Information Disclosure Vulnerability
Description
Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
INFO
Published Date :
June 9, 2021, 8:15 p.m.
Last Modified :
Nov. 7, 2023, 3:27 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.0
Exploitability Score :
2.0
Public PoC/Exploit Available at Github
CVE-2021-0086 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-0086
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2021-0086.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/06/08/7 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2021/06/09/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2021/06/10/1 | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ | |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html | Vendor Advisory |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html | Vendor Advisory |
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).
Rage Against The Machine Clear: A Systematic Analysis of Machine Clears and Their Implications for Transient Execution Attacks
Makefile Assembly C Shell HTML JavaScript Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-0086 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-0086 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]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Intel Corporation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ [No types assigned] Added Reference Intel Corporation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ [No types assigned] Removed Reference Intel Corporation https://lists.fedoraproject.org/archives/list/[email protected]/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ Removed Reference Intel Corporation https://lists.fedoraproject.org/archives/list/[email protected]/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ -
Initial Analysis by [email protected]
Jul. 01, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/08/7 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/08/7 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/09/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/09/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/06/10/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/06/10/1 Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ Mailing List, Third Party Advisory Changed Reference Type https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html No Types Assigned https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html Vendor Advisory Changed Reference Type https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html No Types Assigned https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html Vendor Advisory Added CWE NIST CWE-203 Added CPE Configuration OR *cpe:2.3:a:intel:brand_verification_tool:*:*:*:*:*:*:*:* versions up to (excluding) 11.0.0.1225 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:intel:pentium_processors_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:intel:pentium_processors:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:intel:celeron_processors_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:intel:celeron_processors:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:intel:xeon_processors_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:intel:xeon_processors:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:intel:core_processors:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:intel:itanium_processors_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:intel:itanium_processors:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 17, 2021
Action Type Old Value New Value Changed Description Improper permissions in the installer for the Intel(R) Brand Verification Tool before version 11.0.0.1225 may allow an authenticated user to potentially enable escalation of privilege via local access. Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. Added Reference https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html [No Types Assigned] Added Reference http://www.openwall.com/lists/oss-security/2021/06/08/7 [No Types Assigned] Added Reference http://www.openwall.com/lists/oss-security/2021/06/09/2 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 17, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 16, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/06/10/1 [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-2021-0086 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-2021-0086
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.15191
percentile