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HistoryApr 06, 2010 - 12:00 a.m.

ZDI-10-061: Sun Java Runtime CMM readMabCurveData Remote Code Execution Vulnerability

2010-04-0600:00:00
vulners.com
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ZDI-10-061: Sun Java Runtime CMM readMabCurveData Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-061
April 5, 2010

– CVE ID:
CVE-2010-0838

– Affected Vendors:
Sun Microsystems

– Affected Products:
Sun Microsystems Java Runtime

– Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Sun's Java Runtime. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page.

The specific flaw exists within the CMM module of the Sun JVM. This
module contains a function readMabCurveData. An applet can indirectly
call this function and provide it with a malicious curv object. The
function trusts the size of the curv element implicitly and copies the
data into a fixed-length stack buffer. Exploitation of this issue can
lead to arbitrary code execution under the context of the user invoking
the applet.

– Vendor Response:
Sun Microsystems has issued an update to correct this vulnerability. More
details can be found at:

http://www.oracle.com/technology/deploy/security/critical-patch-updates/javacpumar2010.html

– Disclosure Timeline:
2009-11-09 - Vulnerability reported to vendor
2010-04-05 - Coordinated public release of advisory

– Credit:
This vulnerability was discovered by:
* Stephen Fewer of Harmony Security (www.harmonysecurity.com)

– About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
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http://www.zerodayinitiative.com

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exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
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an official vendor patch is publicly available. Furthermore, with the
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