sudo before 1.8.12 does not ensure that the TZ environment variable is associated with a zoneinfo file, which allows local users to open arbitrary files for read access (but not view file contents) by running a program within an sudo session, as demonstrated by interfering with terminal output, discarding kernel-log messages, or repositioning tape drives.
2017-04-24T06:59:00.353
2025-04-20T01:37:25.860
Deferred
CVSSv3.0: 3.3 (LOW)
AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | sudo_project | sudo | ≤ 1.8.11 | Yes |