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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2024-27355
HistoryMar 01, 2024 - 11:15 p.m.

CVE-2024-27355

2024-03-0123:15:08
Debian Security Bug Tracker
security-tracker.debian.org
6
cve-2024-27355
asn.1 object identifier
certificate processing
denial of service
cpu consumption
vulnerability
phpseclib
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

AI Score

6.7

Confidence

Low

EPSS

0

Percentile

15.5%

An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service (CPU consumption for decodeOID).

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

AI Score

6.7

Confidence

Low

EPSS

0

Percentile

15.5%