Privilege escalation in Systemd_project Systemd

CVE-2017-1000082

systemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the service in question with root privileges rather than the user intended.

Vulnerability class: Privilege Escalation

EPSS: 0.003 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2017-1000082?
CVE-2017-1000082 is a critical-severity vulnerability in Systemd_project Systemd, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2017-07-07.
How severe is CVE-2017-1000082?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-1000082 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.