E on FreeBSD: [Bug 234103] x11/terminology: CVE-2018-20167 Incorrect escaping of crafted files results in code execution

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234103

            Bug ID: 234103
           Summary: x11/terminology: CVE-2018-20167 Incorrect escaping of
                    crafted files results in code execution
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: enlightenment at FreeBSD.org
          Reporter: cem at freebsd.org
             Flags: maintainer-feedback?(enlightenment at FreeBSD.org)
          Assignee: enlightenment at FreeBSD.org

(Copied from Redhat bugzilla.)

Terminology before 1.3.1 allows Remote Code Execution because popmedia is
mishandled, as demonstrated by an unsafe "cat README.md" command when \e}pn is
used. A popmedia control sequence can allow the malicious execution of
executable file formats registered in the X desktop share MIME types
(/usr/share/applications). The control sequence defers unknown file types to
the handle_unknown_media() function, which executes xdg-open against the
filename specified in the sequence. The use of xdg-open for all unknown file
types allows executable file formats with a registered shared MIME type to be
executed. An attacker can achieve remote code execution by introducing an
executable file and a plain text file containing the control sequence through a
fake software project (e.g., in Git or a tarball). When the control sequence is
rendered (such as with cat), the executable file will be run.

https://www.enlightenment.org/news/2018-12-16-terminology-1.3.1
https://phab.enlightenment.org/T7504
https://phab.enlightenment.org/rTRM1ac204da9148e7bccb1b5f34b523e2094dfc39e2

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