cve/2023/CVE-2023-31439.md

### [CVE-2023-31439](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-31439)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

** DISPUTED ** 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."

### POC

#### Reference
- https://github.com/systemd/systemd/pull/28885

#### Github
- https://github.com/GrigGM/05-virt-04-docker-hw
- https://github.com/fokypoky/places-list
- https://github.com/kastel-security/Journald