Apport Project: Security Vulnerabilities
is_closing_session() allows users to consume RAM in the Apport process
CVSS Score
5.5
EPSS Score
0.0
Published
2024-06-04
Apport does not disable python crash handler before entering chroot
CVSS Score
7.8
EPSS Score
0.001
Published
2024-06-04
Apport argument parsing mishandles filename splitting on older kernels resulting in argument spoofing
CVSS Score
5.5
EPSS Score
0.0
Published
2024-06-04
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
CVSS Score
5.5
EPSS Score
0.0
Published
2024-06-04
is_closing_session() allows users to fill up apport.log
CVSS Score
5.5
EPSS Score
0.0
Published
2024-06-04
is_closing_session() allows users to create arbitrary tcp dbus connections
CVSS Score
7.1
EPSS Score
0.0
Published
2024-06-04
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.
CVSS Score
2.8
EPSS Score
0.0
Published
2020-04-28
Apport creates a world writable lock file with root ownership in the world writable /var/lock/apport directory. If the apport/ directory does not exist (this is not uncommon as /var/lock is a tmpfs), it will create the directory, otherwise it will simply continue execution using the existing directory. This allows for a symlink attack if an attacker were to create a symlink at /var/lock/apport, changing apport's lock file location. This file could then be used to escalate privileges, for example. Fixed in versions 2.20.1-0ubuntu2.23, 2.20.9-0ubuntu7.14, 2.20.11-0ubuntu8.8 and 2.20.11-0ubuntu22.
CVSS Score
6.5
EPSS Score
0.001
Published
2020-04-22
Time-of-check Time-of-use Race Condition vulnerability on crash report ownership change in Apport allows for a possible privilege escalation opportunity. If fs.protected_symlinks is disabled, this can be exploited between the os.open and os.chown calls when the Apport cron script clears out crash files of size 0. A symlink with the same name as the deleted file can then be created upon which chown will be called, changing the file owner to root. Fixed in versions 2.20.1-0ubuntu2.23, 2.20.9-0ubuntu7.14, 2.20.11-0ubuntu8.8 and 2.20.11-0ubuntu22.
CVSS Score
5.6
EPSS Score
0.0
Published
2020-04-22
Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.
CVSS Score
4.2
EPSS Score
0.001
Published
2020-02-08
Page 1