Vulnerability CVE-2017-6961


Published: 2017-03-17   Modified: 2017-03-20

Description:
An issue was discovered in apng2gif 1.7. There is improper sanitization of user input causing huge memory allocations, resulting in a crash. This is related to the read_chunk function using the pChunk->size value (within the PNG file) to determine the amount of memory to allocate.

Vendor: Apng2gif project
Product: Apng2gif 
Version: 1.7;

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854441

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