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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-45236
HistoryJan 16, 2024 - 4:15 p.m.

CVE-2023-45236

2024-01-1616:15:12
Debian Security Bug Tracker
security-tracker.debian.org
15
edk2
network package
tcp sequence
vulnerability
unauthorized access
confidentiality
exploited
cve-2023-45236
unix

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.1%

EDK2’s Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

OSVersionArchitecturePackageVersionFilename
Debian12alledk2<= 2022.11-6+deb12u1edk2_2022.11-6+deb12u1_all.deb
Debian11alledk2<= 2020.11-2+deb11u2edk2_2020.11-2+deb11u2_all.deb
Debian999alledk2<= 2024.05-1edk2_2024.05-1_all.deb
Debian13alledk2<= 2024.05-1edk2_2024.05-1_all.deb

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.1%