Mono: Information disclosure
Gentoo Linux Security Advisory
||GLSA 200701-12 / mono
||January 16, 2007
||January 17, 2007: 02
All supported architectures
Mono does not properly sanitize pathnames allowing unauthorized information
Mono provides the necessary software to develop and run .NET client and
server applications on various platforms.
Jose Ramon Palanco has discovered that the System.Web class in the XSP
for the ASP.NET server 1.1 through 2.0 in Mono does not properly
validate or sanitize local pathnames which could allow server-side file
An attacker could append a space character to a URI and obtain
unauthorized access to the source code of server-side files. An
attacker could also read credentials by requesting Web.Config%20 from a
There is no known workaround at this time.
All Mono users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/mono-188.8.131.52"