Gentoo Linux Security Advisory GLSA 200802-06 - Florian Weimer from Debian discovered that scponly does not filter the - -o and -F options to the scp executable (CVE-2007-6415). Joachim Breitner reported that Subversion and rsync support invokes subcommands in an insecure manner (CVE-2007-6350). Versions less than 4.8 are affected.
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Debian Security Advisory 1473-1 - Joachim Breitner discovered that Subversion support in scponly is inherently insecure, allowing execution of arbitrary commands. Further investigation showed that rsync and Unison support suffer from similar issues. In addition, it was discovered that it was possible to invoke with scp with certain options that may lead to execution of arbitrary commands.
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