7
CVE-2020-15702
- EPSS 0.5%
- Veröffentlicht 06.08.2020 23:15:11
- Zuletzt bearbeitet 03.11.2025 20:15:44
- Quelle security@ubuntu.com
- CVE-Watchlists
- Unerledigt
LoginTOCTOU in apport
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Canonical ≫ Ubuntu Linux Version14.04 SwEditionesm
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.5% | 0.391 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7 | 1 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 4.4 | 3.4 | 6.4 |
AV:L/AC:M/Au:N/C:P/I:P/A:P
|
| security@ubuntu.com | 7 | 1 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
|
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
https://usn.ubuntu.com/4449-1
https://usn.ubuntu.com/4449-1/
https://usn.ubuntu.com/4449-2/
https://www.zerodayinitiative.com/advisories/ZDI-20-979/
http://seclists.org/fulldisclosure/2025/Jun/9