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ubuntucveUbuntu.comUB:CVE-2021-45450
HistoryDec 21, 2021 - 12:00 a.m.

CVE-2021-45450

2021-12-2100:00:00
ubuntu.com
ubuntu.com
17
mbed tls
cve-2021-45450
policy bypass
vulnerability
psa_cipher_generate_iv
psa_cipher_encrypt
oracle-based decryption
untrusted application
unix

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

57.9%

JSON

In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and
psa_cipher_encrypt allow policy bypass or oracle-based decryption when the
output buffer is at memory locations accessible to an untrusted
application.

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gentoo
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2023-01-11 00:00:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.002

Percentile

57.9%

JSON
Related for UB:CVE-2021-45450
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