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Ubuntu 22.10 USN-5688-2 Critical: Libksba Denial Of Service

ubuntu
Calendar Grey October 26, 2022
Dist Ubuntu Esm H88
A vulnerability in Libksba may lead to system crashes or allow execution of arbitrary code on Ubuntu 22.10; security updates are advised.
Libksba could be made to crash or run programs if it decoded specially crafted data.

Summary

Libksba could be made to crash or run programs if it decoded specially

crafted data.

Software Description:

- libksba: X.509 and CMS support library

Details:

USN-5688-1 fixed vulnerabilities in Libksba. This update provides

the corresponding update for Ubuntu 22.10.

Original advisory details:

It was discovered that an integer overflow could be triggered in Libksba

when decoding certain data. An attacker could use this issue to cause a

denial of service (application crash) or possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu libksba

Update Instructions

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

Ubuntu 22.10:
  libksba8                        1.6.0-3ubuntu1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5688-2

https://ubuntu.com/security/notices/USN-5688-1

CVE-2022-3515

Severity
critical
Lowest
Low
Medium
High
Critical

October 26, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu libksba

Package Information

https://launchpad.net/ubuntu/+source/libksba/1.6.0-3ubuntu1

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