CVE-2021-25487
Samsung Mobile Devices Out-of-Bounds Read Vulnerab - [Actively Exploited]
Description
Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.
INFO
Published Date :
Oct. 6, 2021, 6:15 p.m.
Last Modified :
Oct. 13, 2021, 4:43 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Samsung mobile devices contain an out-of-bounds read vulnerability within the modem interface driver due to a lack of boundary checking of a buffer in set_skb_priv(), leading to remote code execution by dereference of an invalid function pointer.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
Public PoC/Exploit Available at Github
CVE-2021-25487 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-25487.
| URL | Resource |
|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 | 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).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-25487 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-25487 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 -
Initial Analysis by [email protected]
Oct. 13, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) 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://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 No Types Assigned https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 Vendor Advisory Added CWE NIST CWE-125 Added CPE Configuration AND OR *cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* *cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-25487 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-2021-25487
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} -0.02%
score
0.27749
percentile