medium
6.5
CWE
119 787
Advisory Published
Updated

CVE-2018-20184: Buffer Overflow

First published: Mon Dec 17 2018(Updated: )

In GraphicsMagick 1.4 snapshot-20181209 Q8, there is a heap-based buffer overflow in the WriteTGAImage function of tga.c, which allows attackers to cause a denial of service via a crafted image file, because the number of rows or columns can exceed the pixel-dimension restrictions of the TGA specification.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Graphicsmagick Graphicsmagick=1.4
Debian Debian Linux=8.0
ubuntu/graphicsmagick<1.3.23-1ubuntu0.6+
1.3.23-1ubuntu0.6+
ubuntu/graphicsmagick<1.3.28-2ubuntu0.1
1.3.28-2ubuntu0.1
ubuntu/graphicsmagick<1.3.18-1ubuntu3.1+
1.3.18-1ubuntu3.1+
ubuntu/graphicsmagick<1.3.32
1.3.32
debian/graphicsmagick
1.4+really1.3.35-1~deb10u2
1.4+really1.3.35-1~deb10u3
1.4+really1.3.36+hg16481-2+deb11u1
1.4+really1.3.40-4
1.4+really1.3.42-1
1.4+really1.3.43-1

Remedy

http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/15d1b5fd003b

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this issue?

    The vulnerability ID of this issue is CVE-2018-20184.

  • What is the severity level of CVE-2018-20184?

    The severity level of CVE-2018-20184 is medium.

  • How does the vulnerability CVE-2018-20184 occur?

    CVE-2018-20184 is a heap-based buffer overflow vulnerability that occurs in the WriteTGAImage function of tga.c in GraphicsMagick.

  • What is the impact of CVE-2018-20184?

    The vulnerability CVE-2018-20184 allows attackers to cause a denial of service via a crafted image file, as the number of rows or columns can exceed the pixel-dimension restrictions of the TGA specification.

  • How can I mitigate the vulnerability CVE-2018-20184?

    To mitigate the vulnerability CVE-2018-20184, it is recommended to update GraphicsMagick to the fixed versions provided by the vendor.

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