CVE-2021-27419

uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

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://downloads.uclibc-ng.org/releases/	Product Release Notes Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04	Third Party Advisory US Government Resource

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Configurations

Configuration 1 (hide)

cpe:2.3:a:uclibc-ng_project:uclibc-ng:*:*:*:*:*:*:*:*

Information

Published : 2022-05-03 14:15

Updated : 2022-05-12 08:44

NVD link : CVE-2021-27419

Mitre link : CVE-2021-27419

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

uclibc-ng_project

uclibc-ng

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