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CVE-2023-31439

Date: June 13, 2023

An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."

Language: C

Severity Score

Related Resources (7)

https://github.com/systemd/systemd/pull/28885
https://github.com/kastel-security/Journald
https://nvd.nist.gov/vuln/detail/CVE-2023-31439
https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf
https://github.com/systemd/systemd/releases
https://security-tracker.debian.org/tracker/CVE-2023-31439
https://www.mend.io/vulnerability-database/CVE-2023-31439

Severity Score

Weakness Type (CWE)

Improper Validation of Integrity Check Value

CWE-354

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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