CVE-2019-15790
published 2020-04-28CVE-2019-15790: Apport reads and writes information on a crashed process to /proc/pid with elevated privileges. Apport then determines which user the crashed process belongs…
low3.3CVSS 3.1
AVLACLPRLUINSUCLINAN
Apport reads and writes information on a crashed process to /proc/pid with elevated privileges. Apport then determines which user the crashed process belongs to by reading /proc/pid through get_pid_info() in data/apport. An unprivileged user could exploit this to read information about a privileged running process by exploiting PID recycling. This information could then be used to obtain ASLR offsets for a process with an existing memory corruption vulnerability. The initial fix introduced regressions in the Python Apport library due to a missing argument in Report.add_proc_environ in apport/report.py. It also caused an autopkgtest failure when reading /proc/pid and with Python 2 compatibility by reading /proc maps. The initial and subsequent regression fixes are in 2.20.11-0ubuntu16, 2.20.11-0ubuntu8.6, 2.20.9-0ubuntu7.12, 2.20.1-0ubuntu2.22 and 2.14.1-0ubuntu3.29+esm3.
Affected
20 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apport_project | apport | >= 0 < 2.20.1-0ubuntu2.20 | 2.20.1-0ubuntu2.20 |
| apport_project | apport | >= 0 < 2.20.1-0ubuntu2.21 | 2.20.1-0ubuntu2.21 |
| apport_project | apport | >= 0 < 2.20.1-0ubuntu2.27 | 2.20.1-0ubuntu2.27 |
| apport_project | apport | >= 0 < 2.20.1-0ubuntu2.22 | 2.20.1-0ubuntu2.22 |
| apport_project | apport | >= 0 < 2.20.9-0ubuntu7.8 | 2.20.9-0ubuntu7.8 |
| apport_project | apport | >= 0 < 2.20.9-0ubuntu7.9 | 2.20.9-0ubuntu7.9 |
| apport_project | apport | >= 0 < 2.20.9-0ubuntu7.20 | 2.20.9-0ubuntu7.20 |
| apport_project | apport | >= 0 < 2.20.9-0ubuntu7.12 | 2.20.9-0ubuntu7.12 |
| apport_project | apport | >= 0 < 2.20.11-0ubuntu27.12 | 2.20.11-0ubuntu27.12 |
| apport_project | apport | >= 0 < 2.14.1-0ubuntu3.29+esm2 | 2.14.1-0ubuntu3.29+esm2 |
| apport_project | apport | >= 0 < 2.14.1-0ubuntu3.29+esm3 | 2.14.1-0ubuntu3.29+esm3 |
| canonical | apport | >= 2.14.1 < 2.14.1-0ubuntu3.29+esm3 | 2.14.1-0ubuntu3.29+esm3 |
| canonical | apport | >= 2.20.1 < 2.20.1-0ubuntu2.22 | 2.20.1-0ubuntu2.22 |
| canonical | apport | >= 2.20.11 < 2.20.11-0ubuntu8.6 | 2.20.11-0ubuntu8.6 |
| canonical | apport | >= 2.20.9 < 2.20.9-0ubuntu7.12 | 2.20.9-0ubuntu7.12 |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
CVSS provenance
nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
osv7.8HIGH