74687 : Apple QuickTime PICT File PnSize Opcode Integer Signedness Overflow
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Timeline

Disclosure Date
2011-08-08

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-0257" target="_blank">CVE</a>)</em> : Integer signedness error in Apple QuickTime before 7.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PnSize opcode in a PICT file that triggers a stack-based buffer overflow.

Classification

Location: Local / Remote
Attack Type: Input Manipulation
Impact: Loss of Integrity, Loss of Availability
Solution: Upgrade
Exploit: Exploit Commercial
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 7.7 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Exploit Database: 17777
CVE ID: 2011-0257 (see also: NVD)
Other Advisory URL: http://securityreason.com/securityalert/8365
http://zerodayinitiative.com/advisories/ZDI-11-252/
Vendor Specific News/Changelog Entry: http://support.apple.com/kb/HT4826

Tools & Filters

	wp_apple_quicktime_pnsize

Credit

Matthew 'j00ru' Jurczyk - Zero Day Initiative (ZDI)

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2011-08-16 | Disagree?

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