CVE-2021-3962
This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 6.03% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- imagemagick/imagemagick
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2023196Issue Tracking, Patch, Third Party Advisory
- https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525ePatch, Third Party Advisory
- https://github.com/ImageMagick/ImageMagick/issues/4446Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2023196Issue Tracking, Patch, Third Party Advisory
- https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525ePatch, Third Party Advisory
- https://github.com/ImageMagick/ImageMagick/issues/4446Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.