CVE-2021-25263
Yandex Browser Windows Local Privilege Escalation
Description
Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.
INFO
Published Date :
Aug. 17, 2021, 7:15 p.m.
Last Modified :
Nov. 21, 2024, 5:54 a.m.
Remotely Exploit :
No
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] |
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-2021-25263.
| URL | Resource |
|---|---|
| https://yandex.com/bugbounty/i/hall-of-fame-browser/ | Vendor Advisory |
| https://yandex.com/bugbounty/i/hall-of-fame-browser/ | 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-2021-25263 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-2021-25263
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-2021-25263 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-25263 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://yandex.com/bugbounty/i/hall-of-fame-browser/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Aug. 08, 2023
Action Type Old Value New Value Changed CWE NVD-CWE-noinfo CWE-732 -
Modified Analysis by [email protected]
Feb. 10, 2023
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://yandex.com/bugbounty/i/hall-of-fame-browser/ No Types Assigned https://yandex.com/bugbounty/i/hall-of-fame-browser/ Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:yandex:clickhouse:*:*:*:*:lts:*:*:* versions up to (excluding) 20.8.18.32 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:-:*:*:* versions up to (excluding) 21.1.9.41 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:-:*:*:* versions from (including) 21.2 up to (excluding) 21.2.9.41 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:lts:*:*:* versions from (including) 21.3.2.5 up to (excluding) 21.3.6.55 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:-:*:*:* versions from (including) 21.4 up to (excluding) 21.4.3.21 OR *cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:windows:*:* versions up to (excluding) 21.9.0.390 -
CVE Modified by [email protected]
Jun. 15, 2022
Action Type Old Value New Value Changed Description Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55-lts, v21.4.3.21-stable allows user to read any file on the host system, that clickhouse user has access to. Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process. Removed Reference https://clickhouse.tech/docs/en/whats-new/security-changelog/ [Vendor Advisory] Added Reference https://yandex.com/bugbounty/i/hall-of-fame-browser/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 25, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://clickhouse.tech/docs/en/whats-new/security-changelog/ No Types Assigned https://clickhouse.tech/docs/en/whats-new/security-changelog/ Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:yandex:clickhouse:*:*:*:*:lts:*:*:* versions up to (excluding) 20.8.18.32 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:-:*:*:* versions up to (excluding) 21.1.9.41 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:-:*:*:* versions from (including) 21.2 up to (excluding) 21.2.9.41 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:lts:*:*:* versions from (including) 21.3.2.5 up to (excluding) 21.3.6.55 *cpe:2.3:a:yandex:clickhouse:*:*:*:*:-:*:*:* versions from (including) 21.4 up to (excluding) 21.4.3.21
Vulnerability Scoring Details
Base CVSS Score: 7.8
Base CVSS Score: 4.6
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} -0.06%
score
0.22772
percentile