- Vulnerability/
- USN-5064-1
USN-5064-1: GNU cpio vulnerability
First published: Wed Sep 08 2021(Updated: )
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 | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/cpio | <2.13+dfsg-4ubuntu0.3 | 2.13+dfsg-4ubuntu0.3 |
| =21.04 | ||
| All of | ||
| ubuntu/cpio | <2.13+dfsg-2ubuntu0.3 | 2.13+dfsg-2ubuntu0.3 |
| =20.04 | ||
| All of | ||
| ubuntu/cpio | <2.12+dfsg-6ubuntu0.18.04.4 | 2.12+dfsg-6ubuntu0.18.04.4 |
| =18.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2021-38185
- https://ubuntu.com/security/notices/USN-5064-2
- https://ubuntu.com/security/notices/USN-5064-3
- https://launchpad.net/ubuntu/+source/cpio/2.13+dfsg-4ubuntu0.3
- https://launchpad.net/ubuntu/+source/cpio/2.13+dfsg-2ubuntu0.3
- https://launchpad.net/ubuntu/+source/cpio/2.12+dfsg-6ubuntu0.18.04.4
- https://ubuntu.com/security/notices/USN-5064-1 (Advisory)
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.
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- agent/last-modified-date
- agent/softwarecombine
- collector/usn
- source/Ubuntu
- anchor-related/USN-5064-2
- anchor-related/USN-5064-3
- agent/software-canonical-lookup
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- version/ubuntu ubuntu/21.04
- version/ubuntu ubuntu/20.04
- version/ubuntu ubuntu/18.04