Vulnerability · Published Dec 8, 2020 · Assigned by redhat
CVE-2020-27754
Low 3.3
In plain English
A low-severity integer overflow in ImageMagick. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In IntensityCompare() of /magick/quantize.c, there are calls to PixelPacketIntensity() which could return overflowed values to the caller when ImageMagick processes a crafted input file. To mitigate this, the patch introduces and uses the ConstrainPixelIntensity() function, which forces the pixel intensities to be within the proper bounds in the event of an overflow. This flaw affects ImageMagick versions prior to 6.9.10-69 and 7.0.8-69.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.24+dfsg-1 | DEBIAN-CVE-2020-27754 |
| Debian:13 | imagemagick | 8:6.9.11.24+dfsg-1 | DEBIAN-CVE-2020-27754 |
| Debian:14 | imagemagick | 8:6.9.11.24+dfsg-1 | DEBIAN-CVE-2020-27754 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | ImageMagick | prior to 6.9.10-69prior to 7.0.8-69 |
Weakness: CWE-190