Advisory Details

March 30th, 2021

Esri ArcReader PMF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2021-29097
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Esri
AFFECTED PRODUCTS	ArcReader
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Esri ArcReader. 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 parsing of PMF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Esri has issued an update to correct this vulnerability. More details can be found at: https://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster
DISCLOSURE TIMELINE	2020-12-04 - Vulnerability reported to vendor 2021-03-30 - Coordinated public release of advisory
CREDIT	Francis Provencher {PRL}

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