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CVE-2020-25664

Publication date 8 December 2020

Last updated 16 October 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.1 · Medium

Score breakdown

In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.

Read the notes from the security team

Status

Package Ubuntu Release Status
imagemagick 24.10 oracular
Vulnerable, fix deferred
24.04 LTS noble
Vulnerable, fix deferred
23.10 mantic Ignored end of life, was deferred
23.04 lunar Ignored end of life, was deferred
22.10 kinetic Ignored end of life, was deferred
22.04 LTS jammy
Vulnerable, fix deferred
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Vulnerable, fix deferred
18.04 LTS bionic
Vulnerable, fix deferred
16.04 LTS xenial
14.04 LTS trusty

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Notes

mdeslaur

fix attempt was reverted unclear what the fix for this issue is as of 2021-06-10

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
imagemagick

Severity score breakdown

Parameter Value
Base score 6.1 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5335-1
    • ImageMagick vulnerabilities
    • 18 March 2022
    • USN-7068-1
    • ImageMagick vulnerabilities
    • 15 October 2024

Other references