CVE-2021-24025
HHVM preg_quote Heap Overflow Vulnerability
Description
Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
INFO
Published Date :
March 10, 2021, 4:15 p.m.
Last Modified :
March 16, 2021, 12:45 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2021-24025.
| URL | Resource |
|---|---|
| https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca | Patch Third Party Advisory |
| https://hhvm.com/blog/2021/02/25/security-update.html | Release Notes 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-2021-24025 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-24025 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]
Mar. 16, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/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://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca No Types Assigned https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca Patch, Third Party Advisory Changed Reference Type https://hhvm.com/blog/2021/02/25/security-update.html No Types Assigned https://hhvm.com/blog/2021/02/25/security-update.html Release Notes, Third Party Advisory Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* versions up to (excluding) 4.56.3 *cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* versions from (including) 4.57.0 up to (including) 4.80.1 *cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* versions from (including) 4.81.0 up to (including) 4.93.1 *cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.95.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.96.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.97.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.98.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-24025 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-2021-24025
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.02%
score
0.61564
percentile