CVE-2021-27433

ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

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://github.com/ARMmbed/mbed-os/pull/14408	Issue Tracking Patch Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04	Third Party Advisory US Government Resource
https://github.com/ARMmbed/mbed-os/pull/14408	Issue Tracking Patch Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:arm:mbed_ualloc:1.3.0:*:*:*:*:*:*:*

History

21 Nov 2024, 05:57

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 7.3
References	~~() https://github.com/ARMmbed/mbed-os/pull/14408 - Issue Tracking, Patch, Third Party Advisory~~	() https://github.com/ARMmbed/mbed-os/pull/14408 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 - Third Party Advisory, US Government Resource~~	() https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 - Third Party Advisory, US Government Resource

Information

Published : 2022-05-03 21:15

Updated : 2024-11-21 05:57

NVD link : CVE-2021-27433

Mitre link : CVE-2021-27433

CVE.ORG link : CVE-2021-27433

JSON object : View

Products Affected

arm

mbed_ualloc

CWE

CWE-190

Integer Overflow or Wraparound

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