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ubuntucveUbuntu.comUB:CVE-2023-27560
HistoryMar 03, 2023 - 12:00 a.m.

CVE-2023-27560

2023-03-0300:00:00
ubuntu.com
ubuntu.com
22
phpseclib
math
primefield
infinite loop
cve-2023-27560
composite primefields
author note
rodrigo-zaiden
ldap-account-manager
unix

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.1%

Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop
with composite primefields.

Notes

Author Note
rodrigo-zaiden php-phpseclib handles phpseclib version 2 ldap-account-manager includes phpseclib

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

41.1%