RCE in Kylinos Kylin-System-Updater

CVE-2023-7093

A vulnerability classified as critical has been found in KylinSoft kylin-system-updater up to 2.0.5.16-0k2.33. Affected is an unknown function of the file /usr/share/kylin-system-updater/SystemUpdater/UpgradeStrategiesDbus.py of the component com.kylin.systemupgrade Service. The manipulation of the argument SetDownloadspeedMax leads to os command injection. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248940. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-7093: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

References

  • vuldb.com/ (Permissions Required, technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
  • note.zhaoj.in/share/L1hGe9BDlbnt (exploit, broken-link, Broken Link)

Frequently asked questions

What is CVE-2023-7093?
CVE-2023-7093 is a medium-severity vulnerability in Kylinos Kylin-System-Updater, classified under OS Command Injection. CVSS score: 5.3/10. Published 2023-12-25.
How severe is CVE-2023-7093?
Medium severity. CVSS v3 base score is 5.3 out of 10.