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amazonAmazonALAS-2016-646
HistoryFeb 09, 2016 - 1:30 p.m.

Low: pngcrush

2016-02-0913:30:00
alas.aws.amazon.com
20

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.002 Low

EPSS

Percentile

64.8%

Issue Overview:

A double-free bug was discovered in pngcrush’s handling of the sPLT chunk. A malicious PNG could crash the pngcrush process. (CVE-2015-7700)

Affected Packages:

pngcrush

Issue Correction:
Run yum update pngcrush to update your system.

New Packages:

i686:  
    pngcrush-1.7.92-1.11.amzn1.i686  
    pngcrush-debuginfo-1.7.92-1.11.amzn1.i686  
  
src:  
    pngcrush-1.7.92-1.11.amzn1.src  
  
x86_64:  
    pngcrush-debuginfo-1.7.92-1.11.amzn1.x86_64  
    pngcrush-1.7.92-1.11.amzn1.x86_64  

Additional References

Red Hat: CVE-2015-7700

Mitre: CVE-2015-7700

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.002 Low

EPSS

Percentile

64.8%