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10 vulnerabilities found for apport by Canonical
CVE-2025-5054 (GCVE-0-2025-5054)
Vulnerability from nvd
Published
2025-05-30 17:37
Modified
2025-11-03 20:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary
Race condition in Canonical apport up to and including 2.32.0 allows a local attacker to leak sensitive information via PID-reuse by leveraging namespaces.
When handling a crash, the function `_check_global_pid_and_forward`, which detects if the crashing process resided in a container, was being called before `consistency_checks`, which attempts to detect if the crashing process had been replaced. Because of this, if a process crashed and was quickly replaced with a containerized one, apport could be made to forward the core dump to the container, potentially leaking sensitive information. `consistency_checks` is now being called before `_check_global_pid_and_forward`. Additionally, given that the PID-reuse race condition cannot be reliably detected from userspace alone, crashes are only forwarded to containers if the kernel provided a pidfd, or if the crashing process was unprivileged (i.e., if dump mode == 1).
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2021-25684 (GCVE-0-2021-25684)
Vulnerability from nvd
Published
2021-06-11 02:20
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.
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CVE-2020-15702 (GCVE-0-2020-15702)
Vulnerability from nvd
Published
2020-08-06 22:50
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.
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CVE-2019-15790 (GCVE-0-2019-15790)
Vulnerability from nvd
Published
2020-04-27 23:25
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-250 - Execution with Unnecessary Privileges
Summary
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.
References
Impacted products
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CVE-2019-11483 (GCVE-0-2019-11483)
Vulnerability from nvd
Published
2020-02-08 04:50
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Read user data with administrator privileges
Summary
Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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Impacted products
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CVE-2025-5054 (GCVE-0-2025-5054)
Vulnerability from cvelistv5
Published
2025-05-30 17:37
Modified
2025-11-03 20:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary
Race condition in Canonical apport up to and including 2.32.0 allows a local attacker to leak sensitive information via PID-reuse by leveraging namespaces.
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References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2021-25684 (GCVE-0-2021-25684)
Vulnerability from cvelistv5
Published
2021-06-11 02:20
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.
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CVE-2020-15702 (GCVE-0-2020-15702)
Vulnerability from cvelistv5
Published
2020-08-06 22:50
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.
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CVE-2019-15790 (GCVE-0-2019-15790)
Vulnerability from cvelistv5
Published
2020-04-27 23:25
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-250 - Execution with Unnecessary Privileges
Summary
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.
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| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-11483 (GCVE-0-2019-11483)
Vulnerability from cvelistv5
Published
2020-02-08 04:50
Modified
2025-11-03 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Read user data with administrator privileges
Summary
Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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