HTTP: Adobe Reader CVE-2018-4888 Use After Free

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

Extended Description

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability. The vulnerability is triggered by a crafted PDF file that can cause a memory access violation exception in the XFA engine because of a dangling reference left as a consequence of freeing an object in the computation that manipulates internal nodes in a graph representation of a document object model used in XFA. Successful exploitation could lead to arbitrary code execution.

Affected Products

Adobe acrobat

References

CVE: CVE-2018-4888

Short Name
HTTP:STC:ADOBE:CVE-2018-4888UAF
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Adobe After CVE-2018-4888 Free Reader Use
Release Date
02/15/2018
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
3590
False Positive
Unknown
Vendors

Adobe

CVSS Score

6.8

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