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ubuntucveUbuntu.comUB:CVE-2023-6258
HistoryJan 30, 2024 - 12:00 a.m.

CVE-2023-6258

2024-01-3000:00:00
ubuntu.com
ubuntu.com
8
pkcs11-provider
security vulnerability
bleichenbacher-like
side-channel attack
pkcs#1 1.5 decryption
unix

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

39.1%

A security vulnerability has been identified in the pkcs11-provider, which
is associated with Public-Key Cryptography Standards (PKCS#11). If
exploited successfully, this vulnerability could result in a
Bleichenbacher-like security flaw, potentially enabling a side-channel
attack on PKCS#1 1.5 decryption.

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

39.1%

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