Vulnerability identifier: #VU51789

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29097

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ArcReader
Universal components / Libraries / Software for developers
ArcGIS Engine
Universal components / Libraries / Software for developers
ArcGIS Pro
Universal components / Libraries / Software for developers
ArcGIS
Universal components / Libraries / Software for developers

Vendor: ESRI

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing the PMF files. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ArcReader: All versions

ArcGIS Engine: 10.6.1 - 10.8.1

ArcGIS Pro: 2.7

ArcGIS: All versions

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External links
http://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster/
http://support.esri.com/en/download/7869
http://www.zerodayinitiative.com/advisories/ZDI-21-360/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.