USN-5009-2: libslirp vulnerabilities

Published Oct 26, 2021
·
Updated

USN-5009-1 fixed vulnerabilities in libslirp. This update provides the corresponding updates for Ubuntu 21.10. Original advisory details: Qiuhao Li discovered that libslirp incorrectly handled certain header data lengths. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-29129, CVE-2020-29130) It was discovered that libslirp incorrectly handled certain udp packets. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. (CVE-2021-3592, CVE-2021-3593, CVE-2021-3594, CVE-2021-3595)

Affected Software

2 affected componentsFixes available
All of the following
ubuntu/libslirp0<4.4.0-1ubuntu0.21.10.1
4.4.0-1ubuntu0.21.10.1
Ubuntu Ubuntu=21.10

Event History

Oct 26, 2021
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for this advisory?

The vulnerability ID for this advisory is USN-5009-2.

2

What software is affected by this vulnerability?

The libslirp0 package with version 4.4.0-1ubuntu0.21.10.1 on Ubuntu 21.10 is affected by this vulnerability.

3

What is the severity of this vulnerability?

The severity of this vulnerability is not mentioned in the information provided.

4

How can I fix this vulnerability?

To fix this vulnerability, update the libslirp0 package to version 4.4.0-1ubuntu0.21.10.1 on Ubuntu 21.10.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the Ubuntu security website using the following references: [CVE-2021-3593](https://ubuntu.com/security/CVE-2021-3593), [CVE-2021-3595](https://ubuntu.com/security/CVE-2021-3595), [CVE-2021-3594](https://ubuntu.com/security/CVE-2021-3594).

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