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Ubuntu 19.04 LTS: USN-4105-1 Critical: CUPS Denial Of Service

ubuntu
Calendar Grey August 20, 2019
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4106-1 provides information on vulnerabilities in OpenSSL that affect various Ubuntu versions.
Several security issues were fixed in CUPS.

Summary

Several security issues were fixed in CUPS.

Software Description:

- cups: Common UNIX Printing System(tm)

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.

Topics%20covered

Topics Covered

security advisory denial of service software update remote attack local attack cups ubuntu

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

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

References

https://ubuntu.com/security/notices/USN-4105-1

CVE-2019-8675, CVE-2019-8696

Severity
critical
Lowest
Low
Medium
High
Critical

August 20, 2019

Topics%20covered

Topics Covered

security advisory denial of service software update remote attack local attack cups ubuntu

Package Information

https://launchpad.net/ubuntu/+source/cups/2.2.10-4ubuntu2.1
https://launchpad.net/ubuntu/+source/cups/2.2.7-1ubuntu2.7
https://launchpad.net/ubuntu/+source/cups/2.1.3-4ubuntu0.10

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