Application crash via null PDF object dereference
Published Nov 18, 2024 · Updated Nov 19, 2024
NULL pointer dereference in libPdfCore.dll in Wondershare PDFelement PDF Reader 1.0.9.2544 allows local users to crash the application. A malformed document reaches CreateFactory-related code in libPdfCore.dll, where an instruction writes through a null RBX base at offset 0x20. Exploitation requires a local user to open the malicious PDF and terminates the reader process without reported data disclosure or modification.
Summary
What happened
NULL pointer dereference in libPdfCore.dll in Wondershare PDFelement PDF Reader 1.0.9.2544 allows local users to crash the application. A malformed document reaches CreateFactory-related code in libPdfCore.dll, where an instruction writes through a null RBX base at offset 0x20. Exploitation requires a local user to open the malicious PDF and terminates the reader process without reported data disclosure or modification.
The record
- CVE
- CVE-2024-48294
- Published
- Nov 18, 2024
- Updated
- Nov 19, 2024
- Vendor
- Wondershare
- Product
- PDFelement
- Classifications
- CWE-476, T1204.002
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Nov 18, 2024CVE publishedPublication date reported by the CVE source.
- Nov 19, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.9.2544
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Wondershare PDF Reader crafted crash samplesproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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