Black Hat: Joining Forces to Fight Hacking

[InfoSec News <isn () c4i org>]

http://www.eweek.com/article2/0,3959,1204962,00.asp

By Dennis Fisher
July 28, 2003 

The last few months have seen the revelation of a rash of critical
vulnerabilities in a wide variety of software, from Oracle Corp.'s
database packages to Windows to Cisco Systems Inc.'s IOS code. And if
2003 is to be remembered for being one of the worst years on record
for such problems, this week's Black Hat Briefings in Las Vegas may
well go down as the event where security researchers began to turn the
tide in the fight against faulty code.

Vulnerability research right now is something of a black art. Its
practitioners are often fiercely independent who typically log long
hours poring through lines of code and prying into the darkest corners
of modern computer systems, searching for the smallest crack, that
sliver of daylight that could allow a cracker to slither into the
machine and make it his own. And the job is often a thankless one. The
security community is sharply divided over the value of independent
vulnerability research; some observers feel it leads to better coding
practices and more secure networks, while others believe it does
nothing but hand crackers a detailed instruction set for breaking into
systems.

Two panel discussions on Wednesday will take on the topic of
vulnerability research and try to inject some structure and analysis
into the process. In the morning, the Organization for Internet Safety
will formally unveil the final version of its long-awaited and
much-discussed plan for handling security vulnerability disclosure and
reporting. OIS, which is made up of security vendors and software
makers including Microsoft Corp., @stake Inc. and BindView Corp. among
others, released a draft version of the plan in early June and
accepted public comments until July 4. The final version was posted to
the group's Web site Monday.

The "Security Vulnerability Reporting and Response Process" lays out a
regimented timeline and set of steps for the interaction between the
person who discovers a vulnerability and the vendor or vendors
affected by the problem. It addresses a wide range of issues,
including how and when to notify the vendor, how the vendor should
respond, how long the researcher should wait for a response and how to
resolve communications problems or disputes. OIS members said they
were happy with the way the comment period went and are satisfied with
the final version.

"Everyone gave a little bit and got their ideas in there. A lot of
time when you go through a process like this you end up with something
that no one is happy with," said Scott Blake, vice president of
information security at Houston-based BindView, who will be on the OIS
panel at Black Hat. "That didn't happen here. Everyone is pretty happy
with it."

The goal of all of the structure in OIS' plan is to prevent details of
new vulnerabilities from being leaked publicly before vendors and
customers have a chance to fix them. To that end, the draft
specifically prohibits including "proof of concept code or test code
that could readily be turned into an exploit, or detailed technical
information such as exact data inputs, buffer offsets or shell code
strategies."

The release of exploit code is a widely criticized practice that
infuriates many researchers and virtually all software vendors.  
Hackers have released exploits for two recent severe vulnerabilities—a
severe weakness in Cisco's IOS software and a buffer overrun in the
Remote Procedure Call service in Windows—and such code is often used
as the basis for worms.

In an afternoon session at Black Hat Wednesday, Gerhard Eschelbeck,
CTO at Qualys Inc., will discuss a year-long research project he's
been conducting on the nature, lifetime, severity and other defining
characteristics of vulnerabilities. Eschelbeck has been collecting
data from more than 185,000 systems and has compiled information on
about 1.1 million vulnerabilities. He will discuss his newly defined
"Law of Vulnerabilities" and will also unveil the creation of a free
tool related to the research effort.

Sitting in on a panel discussion of Eschelbeck's research will be Mary
Ann Davidson, chief security officer of Oracle; Phil Zimmermann,
creator of PGP; Simple Nomad, a senior security analyst at BindView
and noted researcher; Richard Thieme, a business consultant; Jeff
Moss, CEO of Black Hat Inc.; and JD Glaser, president and CEO of NT
Objectives Inc., a security company.



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