CVE-2020-15702
High
Description
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.
SeverityHigh
CVSS7.0
Exploit probability—
ProductCanonical Apport
PublishedAug 6, 2020
First seenAug 6, 2020
Weakness typeCWE-367CWE-367
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| canonical apport | 2.20.11-0ubuntu8, 2.20.11-0ubuntu9, 2.20.11-0ubuntu10, 2.20.11-0ubuntu11, 2.20.11-0ubuntu12, 2.20.11-0ubuntu13, 2.20.11-0ubuntu14, 2.20.11-0ubuntu15, 2.20.11-0ubuntu16, 2.20.11-0ubuntu17, 2.20.11-0ubuntu18, 2.20.11-0ubuntu19, 2.20.11-0ubuntu20, 2.20.11-0ubuntu21, 2.20.11-0ubuntu22, 2.20.11-0ubuntu23, 2.20.11-0ubuntu24, 2.20.11-0ubuntu25, 2.20.11-0ubuntu26, 2.20.11-0ubuntu27, 2.20.11-0ubuntu27.2, 2.20.11-0ubuntu27.3, 2.20.11-0ubuntu27.4, 2.20.11-0ubuntu27.5, 2.20.7-0ubuntu3, 2.20.7-0ubuntu3.1, 2.20.7-0ubuntu4, 2.20.8-0ubuntu1, 2.20.8-0ubuntu2, 2.20.8-0ubuntu3, 2.20.8-0ubuntu4, 2.20.8-0ubuntu5, 2.20.8-0ubuntu6, 2.20.8-0ubuntu7, 2.20.8-0ubuntu8, 2.20.8-0ubuntu9, 2.20.8-0ubuntu10, 2.20.9-0ubuntu1, 2.20.9-0ubuntu2, 2.20.9-0ubuntu3, 2.20.9-0ubuntu4, 2.20.9-0ubuntu5, 2.20.9-0ubuntu6, 2.20.9-0ubuntu7, 2.20.9-0ubuntu7.1, 2.20.9-0ubuntu7.2, 2.20.9-0ubuntu7.3, 2.20.9-0ubuntu7.4, 2.20.9-0ubuntu7.5, 2.20.9-0ubuntu7.6, 2.20.9-0ubuntu7.7, 2.20.9-0ubuntu7.8, 2.20.9-0ubuntu7.9, 2.20.9-0ubuntu7.10, 2.20.9-0ubuntu7.11, 2.20.9-0ubuntu7.12, 2.20.9-0ubuntu7.13, 2.20.9-0ubuntu7.14, 2.20.9-0ubuntu7.15, 2.19.1-0ubuntu3, 2.19.2-0ubuntu1, 2.19.2-0ubuntu2, 2.19.2-0ubuntu3, 2.19.2-0ubuntu4, 2.19.2-0ubuntu5, 2.19.2-0ubuntu6, 2.19.2-0ubuntu7, 2.19.2-0ubuntu8, 2.19.2-0ubuntu9, 2.19.3-0ubuntu1, 2.19.3-0ubuntu2, 2.19.3-0ubuntu3, 2.19.4-0ubuntu1, 2.19.4-0ubuntu2, 2.20-0ubuntu1, 2.20-0ubuntu2, 2.20-0ubuntu3, 2.20.1-0ubuntu1, 2.20.1-0ubuntu2, 2.20.1-0ubuntu2.1, 2.20.1-0ubuntu2.2, 2.20.1-0ubuntu2.4, 2.20.1-0ubuntu2.5, 2.20.1-0ubuntu2.6, 2.20.1-0ubuntu2.7, 2.20.1-0ubuntu2.8, 2.20.1-0ubuntu2.9, 2.20.1-0ubuntu2.10, 2.20.1-0ubuntu2.12, 2.20.1-0ubuntu2.13, 2.20.1-0ubuntu2.14, 2.20.1-0ubuntu2.15, 2.20.1-0ubuntu2.16, 2.20.1-0ubuntu2.17, 2.20.1-0ubuntu2.18, 2.20.1-0ubuntu2.19, 2.20.1-0ubuntu2.20, 2.20.1-0ubuntu2.21, 2.20.1-0ubuntu2.22, 2.20.1-0ubuntu2.23 | — |
| canonical ubuntu_linux | 14.04 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.