CVE-2021-29117 arcreader use-after-free

What is CVE-2021-29117?

CVE-2021-29117 is a high-severity use after free vulnerability in Esri ArcReader, published on 12 Aug 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader 10.8.1 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.

Weakness: CWE-416

Which versions are affected by CVE-2021-29117?

It affects 1 product.

Products include Esri Arcreader.

How do I fix CVE-2021-29117?

No fix has been published for CVE-2021-29117 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-29117 being exploited?

There is no known exploitation of CVE-2021-29117 in the wild and no public exploit code.

Other vulnerabilities in Esri ArcReader

• CVE-2021-29112 Esri ArcReader PMF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability Low 3.3
• CVE-2021-29118 Esri ArcReader PMF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability Low 3.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m9jh-c36p-x9mj.