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CVE-2012-5519

Publication date 19 November 2012

Last updated 24 July 2024


Ubuntu priority

CUPS 1.4.4, when running in certain Linux distributions such as Debian GNU/Linux, stores the web interface administrator key in /var/run/cups/certs/0 using certain permissions, which allows local users in the lpadmin group to read or write arbitrary files as root by leveraging the web interface.

Read the notes from the security team

Status

Package Ubuntu Release Status
cups 12.10 quantal
Fixed 1.6.1-0ubuntu11.3
12.04 LTS precise
Fixed 1.5.3-0ubuntu5.1
11.10 oneiric
Fixed 1.5.0-8ubuntu7.3
10.04 LTS lucid
Fixed 1.4.3-1ubuntu1.9
8.04 LTS hardy Not in release
cupsys 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy
Fixed 1.3.7-1ubuntu3.16

Notes


mdeslaur

On Ubuntu, file disclosure and corruption is limited by the AppArmor profile, which limits exposure. It still can access some important files though, such as /etc/shadow. Upstream patch moves dangerous configuration options to a second config file which is not web-editable. Although this is a good long-term solution, the changes are too intrusive for a security update. The most sensible thing to do at this time is to completely disable modifying the cupsd.conf file via the web interface.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
cups

References

Related Ubuntu Security Notices (USN)

Other references