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freebsdFreeBSD8337251B-B07B-11EE-B0D7-84A93843EB75
HistoryJan 09, 2024 - 12:00 a.m.

OpenSSL -- Vector register corruption on PowerPC

2024-01-0900:00:00
vuxml.freebsd.org
18
openssl
poly1305
bug
internal state
applications
powerpc cpu
vector instructions
unix

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

51.2%

SO-AND-SO reports:

The POLY1305 MAC (message authentication code) implementation
contains a bug that might corrupt the internal state of applications running
on PowerPC CPU based platforms if the CPU provides vector instructions.

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

51.2%