USN-5064-1: GNU cpio vulnerability
Maverick Chung and Qiaoyi Fang discovered that cpio incorrectly handled certain pattern files. A remote attacker could use this issue to cause cpio to crash, resulting in a denial of service, or possibly execute arbitrary code.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-38185.
What is the severity level of CVE-2021-38185?
The severity level of CVE-2021-38185 is not mentioned in the provided information.
What is the affected software?
The affected software is cpio version 2.13+dfsg-4ubuntu0.3, 2.13+dfsg-2ubuntu0.3, and 2.12+dfsg-6ubuntu0.18.04.4 on Ubuntu 21.04, 20.04, and 18.04, respectively.
How can a remote attacker exploit CVE-2021-38185?
A remote attacker can exploit CVE-2021-38185 by using certain pattern files to cause cpio to crash, resulting in a denial of service or possibly execute arbitrary code.
How can I fix CVE-2021-38185?
To fix CVE-2021-38185, you should update cpio to the specified fixed versions: 2.13+dfsg-4ubuntu0.3 for Ubuntu 21.04, 2.13+dfsg-2ubuntu0.3 for Ubuntu 20.04, and 2.12+dfsg-6ubuntu0.18.04.4 for Ubuntu 18.04.