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CVE-2020-1898
HIGH7.5
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.
CVE Details
CVSS v3.1 Score7.5
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published3/11/2021
Last Modified11/21/2024
Sourcenvd
Honeypot Sightings0
Affected Products
facebook:hhvm
Weaknesses (CWE)
CWE-674CWE-674
References
https://hhvm.com/blog/2020/06/30/security-update.html(cve-assign@fb.com)
https://github.com/facebook/hhvm/commit/1746dfb11fc0048366f34669e74318b8278a684c(af854a3a-2127-422b-91ae-364da2661108)
https://hhvm.com/blog/2020/06/30/security-update.html(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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