HTTP: Adobe Acrobat Reader DC Annots File ID Out of Bounds Read

This signature detects attempts to exploit a known vulnerability against Adobe Acrobat and Acrobat Reader. A successful attack can lead to arbitrary code execution.

Extended Description

Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

References

CVE: CVE-2021-21042

Short Name

HTTP:STC:ADOBE:DC-ANNOTS-OOB

Severity

Minor

Recommended

True

Recommended Action

Drop

HTTP: Adobe Acrobat Reader DC Annots File ID Out of Bounds Read

Extended Description

References

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