Vulnerability · Published Jun 13, 2023 · Assigned by mitre
CVE-2023-31439
Medium 5.3
In plain English
A medium-severity security flaw in the systemd package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.3%top 71.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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."
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | systemd | no fix listed | DEBIAN-CVE-2023-31439 |
| Debian:13 | systemd | no fix listed | DEBIAN-CVE-2023-31439 |
| Debian:14 | systemd | no fix listed | DEBIAN-CVE-2023-31439 |