It was discovered that the sudo noexec restriction could have been bypassed if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | sudo | 2017-01-04 17:00 | ALAS-2017-780 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 6.6 | AV:L/AC:M/Au:S/C:C/I:C/A:C |
Amazon Linux | CVSSv3 | 6.4 | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
NVD | CVSSv2 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
NVD | CVSSv3 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |