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CVE-2018-20189

Date: December 17, 2018

In GraphicsMagick 1.3.31, the ReadDIBImage function of coders/dib.c has a vulnerability allowing a crash and denial of service via a dib file that is crafted to appear with direct pixel values and also colormapping (which is not available beyond 8-bits/sample), and therefore lacks indexes initialization.

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2018-20189
http://www.securityfocus.com/bid/106227
https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
https://sourceforge.net/p/graphicsmagick/bugs/585/
https://usn.ubuntu.com/4207-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20189
https://nvd.nist.gov/vuln/detail/CVE-2018-20189
https://www.debian.org/security/2020/dsa-4640
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589
https://www.mend.io/vulnerability-database/CVE-2018-20189

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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