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Ubuntu 22.10 & 22.04 LTS USN-5933-1 Critical: Libtpms DoS Risk

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Calendar Grey March 7, 2023
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Security enhancements for Libtpms on Ubuntu 22.10 and 22.04 LTS have been released. Review the updates promptly and apply the required patches.
Several security issues were fixed in Libtpms.

Summary

Several security issues were fixed in Libtpms.

Software Description:

- libtpms: TPM emulation library

Details:

Francisco Falcon discovered that Libtpms did not properly manage memory

when performing certain cryptographic operations. An attacker could

possibly use this issue to cause a denial of service, or possibly execute

arbitrary code. (CVE-2023-1017, CVE-2023-1018)

It was discovered that Libtpms did not properly manage memory when

handling certain commands. An attacker could possibly use this issue

to cause a denial of service.

Topics%20covered

Topics Covered

security advisory code execution DoS Ubuntu cryptographic issue memory management Libtpms

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
   libtpms0                        0.9.3-0ubuntu1.22.10.1

Ubuntu 22.04 LTS:
   libtpms0                        0.9.3-0ubuntu1.22.04.1

After a standard system update you need to restart any application
using Libtpms libraries to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5933-1

CVE-2023-1017, CVE-2023-1018, https://bugs.launchpad.net/ubuntu/+source/libtpms/+bug/2009608

Severity
critical
Lowest
Low
Medium
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Critical

March 07, 2023

Topics%20covered

Topics Covered

security advisory code execution DoS Ubuntu cryptographic issue memory management Libtpms

Package Information

https://launchpad.net/ubuntu/+source/libtpms/0.9.3-0ubuntu1.22.10.1
https://launchpad.net/ubuntu/+source/libtpms/0.9.3-0ubuntu1.22.04.1

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