USN-4670-1: ImageMagick vulnerabilities

Q: What is the severity of USN-4670-1?

The severity of USN-4670-1 is considered high due to the potential for denial of service and other unspecified impacts.

Q: How do I fix USN-4670-1?

To fix USN-4670-1, upgrade ImageMagick and its related packages to the recommended version 8:6.9.10.23+dfsg-2.1ubuntu13.1.

Q: What versions of ImageMagick are affected by USN-4670-1?

USN-4670-1 affects ImageMagick version 6.9.10 and earlier in Ubuntu 20.10 and previous releases.

Q: Are there any known exploits for USN-4670-1?

Currently, no specific exploits are publicly known for USN-4670-1, but the vulnerability could be leveraged for denial of service attacks.

Q: What should I do if I cannot update due to USN-4670-1?

If you cannot update, consider limiting access to the affected applications and closely monitor for any suspicious activity.

Published Dec 15, 2020

Updated

It was discovered that ImageMagick incorrectly handled certain specially crafted image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.10. (CVE-2019-19948, CVE-2019-19949) It was discovered that ImageMagick incorrectly handled certain specially crafted image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2020-27560)

Affected Software

78 affected componentsFixes available

All of the following

ubuntu/imagemagick<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/imagemagick-6.q16<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/imagemagick-6.q16hdri<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagick++-6.q16-8<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagick++-6.q16hdri-8<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagickcore-6.q16-6<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagickcore-6.q16-6-extra<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagickcore-6.q16hdri-6<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagickcore-6.q16hdri-6-extra<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagickwand-6.q16-6<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/libmagickwand-6.q16hdri-6<8:6.9.10.23+dfsg-2.1ubuntu13.1

8:6.9.10.23+dfsg-2.1ubuntu13.1

Ubuntu Ubuntu=20.10

All of the following

ubuntu/imagemagick<8:6.9.10.23+dfsg-2.1ubuntu11.2