Vulnerability · Published Dec 4, 2020 · Assigned by redhat
CVE-2020-27770
Medium 5.5
In plain English
A medium-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.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.1%top 33.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.24+dfsg-1 | DEBIAN-CVE-2020-27770 |
| Debian:13 | imagemagick | 8:6.9.11.24+dfsg-1 | DEBIAN-CVE-2020-27770 |
| Debian:14 | imagemagick | 8:6.9.11.24+dfsg-1 | DEBIAN-CVE-2020-27770 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | ImageMagick | ImageMagick 7.0.8-68 |
Weakness: CWE-190