Security Bulletin: WML CE: libjpeg-turbo 2.0.4, and mozjpeg 4.0.0, has a heap-based buffer over-read

Summary

libjpeg-turbo 2.0.4, and mozjpeg 4.0.0, has a heap-based buffer over-read in get_rgb_row() in rdppm.c via a malformed PPM input file.

Vulnerability Details

CVEID:CVE-2020-13790
**DESCRIPTION:**Libjpeg-turbo is vulnerable to a denial of service, caused by heap-based buffer over-read in get_rgb_row() in rdppm.c. By using a specially crafted PPM input file, a remote attacker could exploit this vulnerability to obtain sensitive information or cause the application to crash.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183243 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

WML CE has been updated to include a newer version of libjpeg-turbo and DALI.

Workarounds and Mitigations

The DALI package in WML CE depends on libjpeg-turbo and must be updated:

conda update dali