Kastel Security

4 exploits Active since Jun 2023
CVE-2023-31438 WRITEUP MEDIUM WRITEUP
systemd 253 - Log File Integrity Check Bypass via Truncation
An issue was discovered in systemd 253. An attacker can truncate a sealed log file and then resume log sealing 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 5.3
CVE-2023-31437 WRITEUP MEDIUM WORKING POC
systemd 253 - Log File Tampering via Sealed Log Manipulation
An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."
CVSS 5.3
CVE-2023-31438 WRITEUP MEDIUM WORKING POC
systemd 253 - Log File Integrity Check Bypass via Truncation
An issue was discovered in systemd 253. An attacker can truncate a sealed log file and then resume log sealing 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 5.3
CVE-2023-31439 WRITEUP MEDIUM WORKING POC
systemd 253 - Log File Integrity Check Bypass via Sealed Log Manipulation
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 5.3