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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
23
openssl
poly1305
bug
internal state
applications
powerpc cpu
vector instructions
unix

CVSS3

6.5

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

AI Score

7.5

Confidence

Low

EPSS

0.002

Percentile

52.7%

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.

CVSS3

6.5

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

AI Score

7.5

Confidence

Low

EPSS

0.002

Percentile

52.7%