93929 : Google Chrome TransportDIB SkBitmap Pixel Data Handling Arbitrary Memory Disclosure Weakness
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Timeline

Disclosure Date
2013-03-24
Time to Patch
139 days

Description

Google Chrome contains an out-of-bounds read flaw in the RenderWidgetSnapshotTaker::WidgetDidReceivePaintAtSizeAck() function in browser/thumbnails/render_widget_snapshot_taker.cc, as the TransportDIB may not be sufficiently sized to "act as the pixel data for the SkBitmap". This may allow a context-dependent attacker to crash the browser and potentially disclose memory contents.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

It has been reported that this issue has been fixed. Upgrade to version 27.0.1453.93 or higher to address this vulnerability.

Products

Google, Inc.
Chrome
26.0.1410.65
26.0.1410.63
26.0.1410.64

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2013-05-22 | Disagree? | There are 1 more: View All

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Comments

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