HTTP: Adobe Acrobat DC SMask Image XObject Height Out of Bounds Write
This signature detects attempts to exploit a known vulnerability against Adobe Acrobat Pro DC. A successful attack can lead to arbitrary code execution.
Extended Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds write vulnerability that could result in 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-2021-39843
Short Name
HTTP:STC:ADOBE:DC-XOBJ-HGHT-MC
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Acrobat Adobe Bounds CVE-2021-39843 DC Height Image Out SMask Write XObject of
Release Date
10/07/2021
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
3425
False Positive
Unknown
CVSS Score
6.8