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CVE-2021-24036

CRITICAL

9.8

Description

Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.

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

Published7/23/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

facebook:follyfacebook:hhvm

Weaknesses (CWE)

CWE-122CWE-190

References

https://github.com/facebook/folly/commit/4f304af1411e68851bdd00ef6140e9de4616f7d3(cve-assign@fb.com)

https://hhvm.com/blog/2021/07/20/security-update.html(cve-assign@fb.com)

https://www.facebook.com/security/advisories/cve-2021-24036(cve-assign@fb.com)

https://github.com/facebook/folly/commit/4f304af1411e68851bdd00ef6140e9de4616f7d3(af854a3a-2127-422b-91ae-364da2661108)

https://hhvm.com/blog/2021/07/20/security-update.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.facebook.com/security/advisories/cve-2021-24036(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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