CVE-2020-27761: Integer Overflow
First published: Wed Nov 04 2020(Updated: )
In ImageMagick, there are three outside the range of representable values of type 'unsigned long' at coders/palm.c. Reference: <a href="https://github.com/ImageMagick/ImageMagick/issues/1726">https://github.com/ImageMagick/ImageMagick/issues/1726</a> Upstream patch: <a href="https://github.com/ImageMagick/ImageMagick/commit/db5e12e24f1378ce8c93a5c35991dcdd23a67bb0">https://github.com/ImageMagick/ImageMagick/commit/db5e12e24f1378ce8c93a5c35991dcdd23a67bb0</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick ImageMagick | <6.9.10-69 | |
| ImageMagick ImageMagick | >=7.0.0-0<7.0.9-0 | |
| Debian Debian Linux | =9.0 | |
| redhat/ImageMagick 7.0.9 | <0 | 0 |
| 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 8:7.1.1.39+dfsg1-3 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1894679
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
- https://launchpad.net/bugs/cve/CVE-2020-27761
- https://github.com/ImageMagick/ImageMagick/issues/1726
- https://github.com/ImageMagick/ImageMagick/commit/db5e12e24f1378ce8c93a5c35991dcdd23a67bb0
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901267
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901268
- https://access.redhat.com/security/cve/cve-2020-27761
- https://access.redhat.com/support/policy/updates/errata
- https://github.com/ImageMagick/ImageMagick6/commit/14c90fb315eb3666a4cf6d784cbde74c69c934ec
- https://security-tracker.debian.org/tracker/CVE-2020-27761
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27761
- https://nvd.nist.gov/vuln/detail/CVE-2020-27761
- https://ubuntu.com/security/CVE-2020-27761
Frequently Asked Questions
What is CVE-2020-27761?
CVE-2020-27761 is a vulnerability in the WritePALMImage() function of ImageMagick that could lead to undefined behavior when processing a crafted input file.
What is the severity of CVE-2020-27761?
The severity of CVE-2020-27761 is medium, with a severity score of 3.3.
Which software is affected by CVE-2020-27761?
ImageMagick versions 6.9.7.4 to 6.9.10-69 and 7.0.0-0 to 7.0.9-0 are affected. Ubuntu versions 18.04 LTS (bionic), 20.04 LTS (focal), and 20.10 (groovy) with the appropriate ImageMagick packages installed are also affected. Debian versions 9.0 (stretch) and 10 (buster) with ImageMagick packages installed are affected as well. Red Hat with ImageMagick 7.0.9 packages installed is also affected.
How can I fix CVE-2020-27761 on Ubuntu?
On Ubuntu, you can fix CVE-2020-27761 by updating ImageMagick to version 8:6.9.7.4+dfsg-16ubuntu6.11 (for bionic), 8:6.9.10.23+dfsg-2.1ubuntu11.4 (for focal), or 8:6.9.10.23+dfsg-2.1ubuntu13.3 (for groovy).
How can I fix CVE-2020-27761 on Debian?
On Debian, you can fix CVE-2020-27761 by updating ImageMagick to version 8:6.9.10.23+dfsg-2.1+deb10u5, 8:6.9.11.60+dfsg-1.3+deb11u1, or 8:6.9.11.60+dfsg-1.6.
- agent/type
- agent/author
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/nvd-index
- agent/software-canonical-lookup
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-27761
- agent/weakness
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/remedy
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/event
- agent/description
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/nvd-cve
- source/NVD
- agent/last-modified-date
- agent/trending
- vendor/imagemagick
- canonical/imagemagick imagemagick
- version/imagemagick imagemagick/7.0.0-0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- package-manager/redhat
- package-manager/debian