Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2020-1898

UNKNOWN
Published 2021-03-11T00:55:18
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2020-1898. We'll provide specific mitigation strategies based on your environment and risk profile.

No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Facebook

HHVM

Affected Versions:

4.62.1 4.62.0 4.61.1 4.61.0 4.60.1 4.60.0 4.59.1 4.59.0 4.58.2 4.58.0 4.57.1 4.57.0 4.56.1 4.33.0 4.32.3 unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-86q4-p3xc-6m2h

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-1898
WEB https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684c
WEB https://hhvm.com/blog/2020/06/30/security-update.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://hhvm.com/blog/2020/06/30/security-update.html
https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684c
Published: 2021-03-11T00:55:18
Last Modified: 2024-08-04T06:53:59.646Z
Copied to clipboard!