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ubuntucveUbuntu.comUB:CVE-2024-45238
HistoryAug 24, 2024 - 12:00 a.m.

CVE-2024-45238

2024-08-2400:00:00
ubuntu.com
ubuntu.com
fort
rpki repository
crash
routing
compromised

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

6.8

Confidence

Low

An issue was discovered in Fort before 1.6.3. A malicious RPKI repository
that descends from a (trusted) Trust Anchor can serve (via rsync or RRDP) a
resource certificate containing a bit string that doesn’t properly decode
into a Subject Public Key. OpenSSL does not report this problem during
parsing, and when compiled with OpenSSL libcrypto versions below 3, Fort
recklessly dereferences the pointer. Because Fort is an RPKI Relying Party,
a crash can lead to Route Origin Validation unavailability, which can lead
to compromised routing.

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

6.8

Confidence

Low

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