CVE-2020-1898
Zend HHVM Stack Memory Corruption Buffer Overflow (Deserialization)
Description
The fb_unserialize function did not impose a depth limit for nested deserialization. That meant a maliciously constructed string could cause deserialization to recurse, leading to stack exhaustion. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.
INFO
Published Date :
March 11, 2021, 1:15 a.m.
Last Modified :
March 17, 2021, 7:50 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
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-2020-1898.
| URL | Resource |
|---|---|
| https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684c | Patch Third Party Advisory |
| https://hhvm.com/blog/2020/06/30/security-update.html | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-1898 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-1898 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. 17, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684c No Types Assigned https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684c Patch, Third Party Advisory Changed Reference Type https://hhvm.com/blog/2020/06/30/security-update.html No Types Assigned https://hhvm.com/blog/2020/06/30/security-update.html Vendor Advisory Added CWE NIST CWE-674 Added CPE Configuration OR *cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* versions up to (excluding) 4.32.3 *cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* versions from (including) 4.33.0 up to (excluding) 4.56.1 *cpe:2.3:a:facebook:hhvm:4.57.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.58.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.58.1:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.59.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.60.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.61.0:*:*:*:*:*:*:* *cpe:2.3:a:facebook:hhvm:4.62.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-1898 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-2020-1898
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.31 }} 0.04%
score
0.66845
percentile