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CVE-2021-24025

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/10/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

facebook:hhvm

Weaknesses (CWE)

CWE-122CWE-190

References

https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca(cve-assign@fb.com)

https://hhvm.com/blog/2021/02/25/security-update.html(cve-assign@fb.com)

https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca(af854a3a-2127-422b-91ae-364da2661108)

https://hhvm.com/blog/2021/02/25/security-update.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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