80822 : libpng pngset.c png_set_text_2() Function Text Chunk PNG File Handling Memory Corruption
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
10	858	about 1 year ago	2 months ago	27 times	100%

Timeline

Disclosure Date
2012-03-29

Description

A memory corruption flaw exists in libpng. The png_set_text_2() function in pngset.c fails to sanitize user-supplied input when handling text chunks resulting in memory corruption. With a specially crafted PNG file, a context-dependent attacker can execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 1.5.10, 1.4.11, 1.2.49 or 1.0.59 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

GraphicsMagick Group

GraphicsMagick

1.3.15

libpng	libpng	1.5.9
		1.4.10
		1.2.48
		1.0.58

Oracle Corporation	Solaris	10
		11.1

References

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2012-05-30 | Disagree?

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