CVE-2020-4788
IBM Power9 CPU Cache Invalidation Leakage
Description
IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.
INFO
Published Date :
Nov. 20, 2020, 4:15 a.m.
Last Modified :
Nov. 7, 2023, 3:23 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2020-4788 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-2020-4788
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-2020-4788.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/11/20/3 | Mailing List Patch Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2020/11/23/1 | Mailing List Third Party Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/189296 | VDB Entry Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ | |
| https://www.ibm.com/support/pages/node/6370729 | Patch Vendor Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.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).
Map Vulnerabilities into Different Layers of the Container Image
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-2020-4788 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-4788 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 IBM Corporation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ [No types assigned] Added Reference IBM Corporation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ [No types assigned] Removed Reference IBM Corporation https://lists.fedoraproject.org/archives/list/[email protected]/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ Removed Reference IBM Corporation https://lists.fedoraproject.org/archives/list/[email protected]/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ -
Modified Analysis by [email protected]
Feb. 03, 2023
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 25, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned] -
CPE Deprecation Remap by [email protected]
Aug. 31, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:ibm:vios:3.1.2:*:*:*:*:*:*:* OR *cpe:2.3:a:ibm:vios:3.1.2:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 31, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:ibm:vios:3.1.0:*:*:*:*:*:*:* OR *cpe:2.3:a:ibm:vios:3.1.0:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 31, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:ibm:vios:3.1.1:*:*:*:*:*:*:* OR *cpe:2.3:a:ibm:vios:3.1.1:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Dec. 03, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2020/11/20/3 No Types Assigned http://www.openwall.com/lists/oss-security/2020/11/20/3 Mailing List, Patch, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2020/11/23/1 No Types Assigned http://www.openwall.com/lists/oss-security/2020/11/23/1 Mailing List, Third Party Advisory Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/189296 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/189296 VDB Entry, Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ Mailing List, Third Party Advisory Changed Reference Type https://www.ibm.com/support/pages/node/6370729 No Types Assigned https://www.ibm.com/support/pages/node/6370729 Patch, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:ibm:aix:7.1.0:*:*:*:*:*:*:* *cpe:2.3:o:ibm:aix:7.1.5:*:*:*:*:*:*:* *cpe:2.3:o:ibm:aix:7.2.0:*:*:*:*:*:*:* *cpe:2.3:o:ibm:aix:7.2.3:*:*:*:*:*:*:* *cpe:2.3:o:ibm:aix:7.2.4:*:*:*:*:*:*:* *cpe:2.3:o:ibm:aix:7.2.5:*:*:*:*:*:*:* *cpe:2.3:o:ibm:vios:3.1.0:*:*:*:*:*:*:* *cpe:2.3:o:ibm:vios:3.1.1:*:*:*:*:*:*:* *cpe:2.3:o:ibm:vios:3.1.2:*:*:*:*:*:*:* OR cpe:2.3:o:ibm:power9:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 25, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 23, 2020
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2020/11/23/1 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 20, 2020
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2020/11/20/3 [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-2020-4788 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-2020-4788
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.07757
percentile