CVE-2021-29096: Esri ArcReader PMF File Parsing Use-After-Free Remote Code Execution Vulnerability
A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader, ArcGIS Desktop, ArcGIS Engine 10.8.1 (and earlier) and ArcGIS Pro 2.7 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.
Other sources
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. Crafted data in a PMF file can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code in the context of the current process.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-29096?
CVE-2021-29096 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Esri ArcReader software.
How can this vulnerability be exploited?
This vulnerability can be exploited when the target visits a malicious page or opens a malicious file.
Which products are affected by CVE-2021-29096?
Esri ArcReader, ArcGIS Desktop, ArcGIS Engine, and ArcGIS Pro versions up to 10.8.1 and 2.7 are affected.
What is the severity of CVE-2021-29096?
CVE-2021-29096 has a severity value of 7.8 (high).
Are there any references for CVE-2021-29096?
Yes, you can find more information about this vulnerability at the following references: - [Esri Security Advisory](https://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster) - [Zero Day Initiative Advisory](https://www.zerodayinitiative.com/advisories/ZDI-21-370/)