Feeds

Attack exploits just-patched Mac security bug

Fix my browser, fan pleads

Internet Security Threat Report 2014

If you haven't installed the latest security update for Mac OS X, now would be a good time.

A security researcher has released a proof-of-concept attack that exploits critical vulnerabilities that Apple patched on Thursday. The vulns stem from bugs in the Java runtime environment that allow attackers to remotely execute malicious code. Sun Microsystems patched the flaws early last month.

"I know that having a POC in hand bumps Apple's priority, so I sent them the POC and made them aware of the issue," said the researcher, Kevin Finisterre, a co-founder of security firm Netragard. "I honestly wanted my browser fixed."

Finisterre said he read through the patch details and researched where in OS X he thought the bug would be located. He sent the exploit to Apple employees on November 6, three days after Sun released a Java patch for Windows, Linux, and Solaris. Now that Apple has finally fixed the bug, he has gone ahead and made the code public.

The exploit is fairly rudimentary, but Finisterre said he plans to weaponize it soon. For the moment, browsers on unpatched systems that hit the exploit will crash. Behind the scenes, though, users will find their extended instruction pointers have been set to 0x41424344, a value that indicates a machine has been compromised.

The code will also exploit unpatched Windows machines, Finisterre said. Turns out Java's write-once-run-anywhere promise really is real. ®

Internet Security Threat Report 2014

More from The Register

next story
George Clooney, WikiLeaks' lawyer wife hand out burner phones to wedding guests
Day 4: 'News'-papers STILL rammed with Clooney nuptials
Shellshock: 'Larger scale attack' on its way, warn securo-bods
Not just web servers under threat - though TENS of THOUSANDS have been hit
Apple's new iPhone 6 vulnerable to last year's TouchID fingerprint hack
But unsophisticated thieves need not attempt this trick
PEAK IPV4? Global IPv6 traffic is growing, DDoS dying, says Akamai
First time the cache network has seen drop in use of 32-bit-wide IP addresses
Oracle SHELLSHOCKER - data titan lists unpatchables
Database kingpin lists 32 products that can't be patched (yet) as GNU fixes second vuln
Who.is does the Harlem Shake
Blame it on LOLing XSS terroristas
Researchers tell black hats: 'YOU'RE SOOO PREDICTABLE'
Want to register that domain? We're way ahead of you.
prev story

Whitepapers

Forging a new future with identity relationship management
Learn about ForgeRock's next generation IRM platform and how it is designed to empower CEOS's and enterprises to engage with consumers.
Storage capacity and performance optimization at Mizuno USA
Mizuno USA turn to Tegile storage technology to solve both their SAN and backup issues.
The next step in data security
With recent increased privacy concerns and computers becoming more powerful, the chance of hackers being able to crack smaller-sized RSA keys increases.
Security for virtualized datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.
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.