CVE-2021-22156
BlackBerry QNX calloc Integer Overflow Vulnerability
Description
An integer overflow vulnerability in the calloc() function of the C runtime library of affected versions of BlackBerry® QNX Software Development Platform (SDP) version(s) 6.5.0SP1 and earlier, QNX OS for Medical 1.1 and earlier, and QNX OS for Safety 1.0.1 and earlier that could allow an attacker to potentially perform a denial of service or execute arbitrary code.
INFO
Published Date :
Aug. 17, 2021, 7:15 p.m.
Last Modified :
Aug. 30, 2021, 11:26 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-22156
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-2021-22156.
| URL | Resource |
|---|---|
| https://support.blackberry.com/kb/articleDetail?articleNumber=000082334 | Patch Vendor Advisory |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-22156 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22156 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]
Aug. 30, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://support.blackberry.com/kb/articleDetail?articleNumber=000082334 No Types Assigned https://support.blackberry.com/kb/articleDetail?articleNumber=000082334 Patch, Vendor Advisory Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL Third Party Advisory Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:a:blackberry:qnx_software_development_platform:*:*:*:*:*:*:*:* versions up to (excluding) 6.5.0 *cpe:2.3:a:blackberry:qnx_software_development_platform:6.5.0:-:*:*:*:*:*:* *cpe:2.3:a:blackberry:qnx_software_development_platform:6.5.0:sp1:*:*:*:*:*:* *cpe:2.3:o:blackberry:qnx_os_for_medical:*:*:*:*:*:*:*:* versions up to (including) 1.1.1 *cpe:2.3:o:blackberry:qnx_os_for_safety:*:*:*:*:*:*:*:* versions up to (including) 1.0.2 -
CVE Modified by [email protected]
Aug. 18, 2021
Action Type Old Value New Value Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL [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-2021-22156 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-2021-22156
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.02%
score
0.72389
percentile