Feeds

Possessed! The Solaris font daemon

Crusty old buffer

  • alert
  • submit to reddit

Top 5 reasons to deploy VMware with Tegile

A buffer overflow risk exists in the font service which ships with Solaris. There is a workaround, but no comprehensive fix just yet.

Security clearing house CERT warns in an advisory that Solaris X Window Font Service (XFS) daemon (fs.auto) contains a remotely exploitable buffer overflow vulnerability which could allow an attacker to execute arbitrary code or cause a denial of service.

The Solaris X Window Font Service (XFS) serves font files to clients. It ships with Solaris and is included as a component in a limited number of other operating systems.

The issue effects Solaris on both SPARC and Intel platforms. NetBSD ships the xfs from XFree86, though its not turned on by default. HP is investigating the issue.

An advisory by Sun says it is working on a patch (it actually says "a final solution is pending completion" but let's leave that unfortunate turn of phrase to one side). Until patches can be applied, users are asked to consider disabling the XFS daemon (fs.auto) as a workaround. Blocking access to port 7100/TCP on firewalls is also something to consider. This will guard against possible external, but not internal, exploitation on the flaw.

The vulnerability was unearthed by security tools vendor which had planned to release its advisory in co-ordination with Sun's patch on Monday, November 25.

This hasn't happened. So has ISS jumped the gunas it allegedly did with a patch for an Apache flaw earlier this year?

That, and the release of an advisory on a BIND patch ahead of widespread availability of a fix last month, has sparked some criticism of ISS by sections of the security community, and deserves closer examination. With the Sun fix we're informed by independent researchers that the release of the advisory before the patch was down to a lack of communication between Sun and ISS, rather than self-promotion by ISS.

We've put in a request to speak to ISS' senior techies on the issues, and will bring you more on this anon. ®

Related story

Unholy trinity puts users in a BIND
Apache admins screwed by premature vuln report

Top 5 reasons to deploy VMware with Tegile

More from The Register

next story
UK smart meters arrive in 2020. Hackers have ALREADY found a flaw
Energy summit bods warned of free energy bonanza
DRUPAL-OPCALYPSE! Devs say best assume your CMS is owned
SQLi hole was hit hard, fast, and before most admins knew it needed patching
Knock Knock tool makes a joke of Mac AV
Yes, we know Macs 'don't get viruses', but when they do this code'll spot 'em
Feds seek potential 'second Snowden' gov doc leaker – report
Hang on, Ed wasn't here when we compiled THIS document
Mozilla releases geolocating WiFi sniffer for Android
As if the civilians who never change access point passwords will ever opt out of this one
Why weasel words might not work for Whisper
CEO suspends editor but privacy questions remain
prev story

Whitepapers

Why and how to choose the right cloud vendor
The benefits of cloud-based storage in your processes. Eliminate onsite, disk-based backup and archiving in favor of cloud-based data protection.
A strategic approach to identity relationship management
ForgeRock commissioned Forrester to evaluate companies’ IAM practices and requirements when it comes to customer-facing scenarios versus employee-facing ones.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Top 5 reasons to deploy VMware with Tegile
Data demand and the rise of virtualization is challenging IT teams to deliver storage performance, scalability and capacity that can keep up, while maximizing efficiency.
Mitigating web security risk with SSL certificates
Web-based systems are essential tools for running business processes and delivering services to customers.