UBUNTU-CVE-2018-20167

Dashboard / Vulnerabilities / UBUNTU-CVE-2018-20167

UBUNTU-CVE-2018-20167

Summary:

Details: 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.

References: https://ubuntu.com/security/CVE-2018-20167, https://phab.enlightenment.org/T7504, https://git.enlightenment.org/apps/terminology.git/commit/?id=1ac204da9148e7bccb1b5f34b523e2094dfc39e2, https://phab.enlightenment.org/rTRM1ac204da9148e7bccb1b5f34b523e2094dfc39e2, https://www.enlightenment.org/news/2018-12-16-terminology-1.3.1, https://www.cve.org/CVERecord?id=CVE-2018-20167