Advisory Details

September 5th, 2019

Red Lion Crimson CD31 File Parsing Use-After-Free Information Disclosure Vulnerability

ZDI-19-797
ZDI-CAN-8310

CVE ID CVE-2019-10996
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Red Lion
AFFECTED PRODUCTS Crimson
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Red Lion Crimson. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of CD31 files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

ADDITIONAL DETAILS Red Lion has issued an update to correct this vulnerability. More details can be found at:
https://support.redlion.net/hc/en-us/articles/360033077531
DISCLOSURE TIMELINE
  • 2019-05-02 - Vulnerability reported to vendor
  • 2019-09-05 - Coordinated public release of advisory
CREDIT Michael DePlante, Anthony Fuller and Todd Manning of Trend Micro Zero Day Initiative/Trend Micro Research
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