CVE Tools

CVE-2023-31439

Published: Jun 13, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-354

No Known Exploits

Patch Available

Description

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."

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:LIntegrity

Low

A:NAvailability

None

Open in CVSS calculator →

Weaknesses

Affected Products

systemd systemd project

On-prem

Operating Systems / linux-distro

systemd projectoss-projectOperating Systemsaka systemd

Exploitability

Official Patch Available

References

https://github.com/kastel-security/Journald

https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf

https://github.com/systemd/systemd/pull/28885

and 1 more references View all →

Timeline

Published

Jun 13, 2023

Last Updated

Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-31439 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows