USN-4105-1: CUPS vulnerabilities

cups vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 19.04
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS

Summary

Several security issues were fixed in CUPS.

Software Description

cups – Common UNIX Printing System™

Details

Stephan Zeisberg discovered that the CUPS SNMP backend incorrectly handled
encoded ASN.1 inputs. A remote attacker could possibly use this issue to
cause CUPS to crash by providing specially crafted network
traffic. (CVE-2019-8696, CVE-2019-8675)

It was discovered that CUPS did not properly handle client disconnection
events. A local attacker could possibly use this issue to cause a denial of
service or disclose memory from the CUPS server.

Update instructions

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

Ubuntu 19.04: cups – 2.2.10-4ubuntu2.1
Ubuntu 18.04 LTS: cups – 2.2.7-1ubuntu2.7
Ubuntu 16.04 LTS: cups – 2.1.3-4ubuntu0.10

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4105-1: CUPS vulnerabilities

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