CVE-2016-7997: Null Pointer Dereference

Published Jan 18, 2017
·
Updated

The WPG format reader in GraphicsMagick 1.3.25 and earlier allows remote attackers to cause a denial of service (assertion failure and crash) via vectors related to a ReferenceBlob and a NULL pointer.

Affected Software

16 affected componentsFixes available
GraphicsMagick Graphicsmagick<=1.3.25
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0
alpine/graphicsmagick<1.3.26-r0
1.3.26-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/graphicsmagick to a version that resolves this vulnerability.

    Fixed in 1.3.26-r0

Event History

Jan 18, 2017
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
Data Sourced
via NVD·05:59 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·05:59 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2016-7997?

CVE-2016-7997 is categorized as a denial of service vulnerability.

2

How does CVE-2016-7997 affect GraphicsMagick?

CVE-2016-7997 allows remote attackers to cause GraphicsMagick to crash due to assertion failures.

3

Which versions of GraphicsMagick are affected by CVE-2016-7997?

CVE-2016-7997 affects GraphicsMagick versions prior to 1.3.26.

4

What types of attacks can exploit CVE-2016-7997?

CVE-2016-7997 can be exploited via crafted WPG format files that trigger NULL pointer dereference.

5

Is there a fix for CVE-2016-7997?

To mitigate CVE-2016-7997, upgrading to GraphicsMagick version 1.3.26 or later is recommended.

Company

Resources

Contact

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