monero-wallet-gui in Monero GUI before 0.17.1.0 includes the . directory in an embedded RPATH (with a preference ahead of /usr/lib), which allows local users to gain privileges via a Trojan horse library in the current working directory.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26947
Reference (s):
- https://github.com/monero-project/monero-gui/commit/6ed536982953d870010d8fa065dccbffeb6cae50
- https://github.com/monero-project/monero-gui/issues/3142#issuecomment-705940446