CVE-2020-13844
Arm Armv8-A CPU Unclassified Information Disclosure Vulnerability
Description
Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."
INFO
Published Date :
June 8, 2020, 11:15 p.m.
Last Modified :
April 28, 2022, 7:30 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-13844 has a 2 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-2020-13844
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-2020-13844.
| URL | Resource |
|---|---|
| http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html | Mailing List Third Party Advisory |
| https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability | Vendor Advisory |
| https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation | Vendor Advisory |
| https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions | Vendor Advisory |
| https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html | Patch Third Party 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).
None
Java
None
Java
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-13844 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-13844 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 -
Modified Analysis by [email protected]
Apr. 28, 2022
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-200 CWE-203 -
CVE Modified by [email protected]
Oct. 18, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 11, 2020
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:U/C:H/I:N/A:N Changed Reference Type http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html No Types Assigned http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html Mailing List, Third Party Advisory Changed Reference Type https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability No Types Assigned https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability Vendor Advisory Changed Reference Type https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation No Types Assigned https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation Vendor Advisory Changed Reference Type https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions No Types Assigned https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions Vendor Advisory Changed Reference Type https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html No Types Assigned https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html Patch, Third Party Advisory Added CWE NIST CWE-200 Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a32_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a32:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a35_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a35:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a53_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a53:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a57_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a57:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a72_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a72:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a73_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a73:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a34_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a34:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-13844 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-2020-13844
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
0.17653
percentile