HTTP: Adobe Acrobat and Acrobat Reader Heap Buffer Overflow

This signature detects attempts to exploit a known vulnerability against Adobe Acrobat and Acrobat Reader. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the user.

Extended Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

References

CVE: CVE-2021-21017

Short Name
HTTP:STC:ADOBE:ACRBT-AND-RDR-BO
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Acrobat Adobe Buffer CVE-2021-21017 Heap Overflow Reader and
Release Date
03/16/2021
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3730
False Positive
Unknown
CVSS Score

6.8

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