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GoogleOSV:CVE-2021-27433

HistoryMay 03, 2022 - 9:15 p.m.

CVE-2021-27433

2022-05-0321:15:08

Google

osv.dev

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

76.6%

JSON

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.

CPENameOperatorVersion
ualloceq0.1.0
ualloceq1.1.0
ualloceq0.0.1
ualloceq0.0.5
ualloceq1.2.0
ualloceq0.0.4
ualloceq0.0.8
ualloceq0.0.9
ualloceqmbedos-techcon-oob2
ualloceqmbedos-2016q1-oob2

Name	Operator	Version
ualloc	eq	0.1.0
ualloc	eq	1.1.0
ualloc	eq	0.0.1
ualloc	eq	0.0.5
ualloc	eq	1.2.0
ualloc	eq	0.0.4
ualloc	eq	0.0.8
ualloc	eq	0.0.9
ualloc	eq	mbedos-techcon-oob2
ualloc	eq	mbedos-2016q1-oob2

Rows per page:

1-10 of 291

References

github.com/ARMmbed/mbed-os/pull/14408

www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

76.6%

JSON

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