CVE-2021-28117
KDE Discover URL Cloning Vulnerability
Description
libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)
INFO
Published Date :
March 20, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 5:59 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
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-2021-28117.
| URL | Resource |
|---|---|
| https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 | Patch |
| https://github.com/KDE/discover/releases | Third Party Advisory |
| https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 | Patch Third Party Advisory |
| https://kde.org/info/security/advisory-20210310-1.txt | Patch Vendor Advisory |
| https://userbase.kde.org/Discover | Product Vendor Advisory |
| https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 | Patch |
| https://github.com/KDE/discover/releases | Third Party Advisory |
| https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 | Patch Third Party Advisory |
| https://kde.org/info/security/advisory-20210310-1.txt | Patch Vendor Advisory |
| https://userbase.kde.org/Discover | Product Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-28117 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-2021-28117
weaknesses.
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-2021-28117 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-28117 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 Added Reference https://github.com/KDE/discover/releases Added Reference https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 Added Reference https://kde.org/info/security/advisory-20210310-1.txt Added Reference https://userbase.kde.org/Discover -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 15, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 28, 2023
Action Type Old Value New Value Changed Reference Type https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 No Types Assigned https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 Patch -
CVE Modified by [email protected]
Nov. 16, 2023
Action Type Old Value New Value Added Reference MITRE https://github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356 [No types assigned] -
Initial Analysis by [email protected]
Apr. 01, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://github.com/KDE/discover/releases No Types Assigned https://github.com/KDE/discover/releases Third Party Advisory Changed Reference Type https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 No Types Assigned https://invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60 Patch, Third Party Advisory Changed Reference Type https://kde.org/info/security/advisory-20210310-1.txt No Types Assigned https://kde.org/info/security/advisory-20210310-1.txt Patch, Vendor Advisory Changed Reference Type https://userbase.kde.org/Discover No Types Assigned https://userbase.kde.org/Discover Product, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:kde:discover:*:*:*:*:*:*:*:* versions up to (excluding) 5.21.3
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.71 }} -0.76%
score
0.69809
percentile