GLSA-200608-11 : Webmin, Usermin: File Disclosure
Medium Nessus Plugin ID 22169
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-200608-11 (Webmin, Usermin: File Disclosure)
A vulnerability in both Webmin and Usermin has been discovered by Kenny Chen, wherein simplify_path is called before the HTML is decoded.
A non-authenticated user can read any file on the server using a specially crafted URL.
For a temporary workaround, IP Access Control can be setup on Webmin and Usermin.
SolutionAll Webmin users should update to the latest stable version:
# emerge --sync # emerge --ask --verbose --oneshot '>=app-admin/webmin-1.290' All Usermin users should update to the latest stable version:
# emerge --sync # emerge --ask --verbose --oneshot '>=app-admin/usermin-1.220'