CVE-2021-24036

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hhvm.com/blog/2021/07/20/security-update.html	Product Vendor Advisory
https://github.com/facebook/folly/commit/4f304af1411e68851bdd00ef6140e9de4616f7d3	Patch Third Party Advisory
https://www.facebook.com/security/advisories/cve-2021-24036	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm:4.115.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.116.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.117.0:::::::*
	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm:4.114.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.118.0:::::::*
	cpe:2.3:a:facebook:hhvm:4.118.1:::::::*
	cpe:2.3:a:facebook:folly::::::::

Information

Published : 2021-07-22 18:15

Updated : 2022-10-25 17:30

NVD link : CVE-2021-24036

Mitre link : CVE-2021-24036

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

facebook

hhvm
folly

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