CVE-2018-16749: Null Pointer Dereference
First published: Sun Sep 09 2018(Updated: )
ImageMagick is vulnerable to a denial of service, caused by a missing NULL check in the ReadOneJNGImage function in coders/png.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick ImageMagick | <6.9.9-42 | |
| ImageMagick ImageMagick | >=7.0.0-0<=7.0.7-29 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| IBM Data Risk Manager | <=2.0.6 | |
| debian/imagemagick | 8:6.9.11.60+dfsg-1.3+deb11u4 8:6.9.11.60+dfsg-1.3+deb11u3 8:6.9.11.60+dfsg-1.6+deb12u2 8:6.9.11.60+dfsg-1.6+deb12u1 8:6.9.13.12+dfsg1-1 8:7.1.1.39+dfsg1-1 |
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Reference Links
- https://github.com/ImageMagick/ImageMagick/issues/1119
- https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4
- https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00007.html
- https://usn.ubuntu.com/3785-1/
- https://launchpad.net/bugs/cve/CVE-2018-16749
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1627918
- https://access.redhat.com/errata/RHSA-2020:1180
- https://access.redhat.com/security/cve/cve-2018-16749
- https://bugzilla.redhat.com/show_bug.cgi?id=1627916
- https://exchange.xforce.ibmcloud.com/vulnerabilities/149742
- https://www.ibm.com/support/pages/node/6335281 (Advisory)
- https://security-tracker.debian.org/tracker/CVE-2018-16749
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16749
- https://nvd.nist.gov/vuln/detail/CVE-2018-16749
- https://ubuntu.com/security/CVE-2018-16749
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2018-16749.
What is the severity of CVE-2018-16749?
The severity of CVE-2018-16749 is medium with a CVSS score of 6.5.
What is the affected software?
The affected software is ImageMagick versions 7.0.7-29 and earlier.
How can the vulnerability be exploited?
The vulnerability can be exploited by persuading a victim to open a specially crafted file.
Is there a fix available for CVE-2018-16749?
Yes, there are patches and updates available for the affected software.
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