Use-after-free in ImageMagick - CVE-2019-14980
Published: August 19, 2019
Vulnerability identifier: #VU20300
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14980
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the UnmapBlob() function when images. A remote attacker can create a specially crafted image file, pass it to the affected application and perform denial of service attack.
How to mitigate CVE-2019-14980
Install updates from vendor's website.
Sources
- https://github.com/ImageMagick/ImageMagick/commit/c5d012a46ae22be9444326aa37969a3f75daa3ba
- https://github.com/ImageMagick/ImageMagick/compare/7.0.8-41...7.0.8-42
- https://github.com/ImageMagick/ImageMagick6/commit/614a257295bdcdeda347086761062ac7658b6830
- https://github.com/ImageMagick/ImageMagick6/issues/43