GCC-XML: Insecure temporary file usage

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
dev-cpp/gccxml	< 0.9.0_pre20090516	>= 0.9.0_pre20090516	All supported architectures

Related bugreports: #245765

An insecure temporary file usage has been reported in GCC-XML allowing for symlink attacks.

2. Impact Information

GCC-XML is an XML output extension to the C++ front-end of GCC.

Dmitry E. Oboukhov reported that find_flags in GCC-XML does not handle "/tmp/*.cxx" temporary files securely.

A local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application.

3. Resolution Information

There is no known workaround at this time.

All GCC-XML users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-cpp/gccxml-0.9.0_pre20090516"

4. References

Page updated September 09, 2009

Summary: This is a Gentoo Linux Security Advisory

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