Engine crash via template-scanner out-of-bounds copy
Published Sep 10, 2024 · Updated Sep 18, 2024
Heap-based buffer overflow in Samsung Escargot 4.0.0 allows remote attackers to crash the engine through crafted template syntax. Scanner::scanTemplate uses a cursor beyond end-of-file as a copy bound, causing sourceCharAt to read past the source while appending raw template text. Exploitation requires an embedding application to pass attacker-controlled JavaScript to the parser; the published vendor impact is an engine crash.
Summary
What happened
Heap-based buffer overflow in Samsung Escargot 4.0.0 allows remote attackers to crash the engine through crafted template syntax. Scanner::scanTemplate uses a cursor beyond end-of-file as a copy bound, causing sourceCharAt to read past the source while appending raw template text. Exploitation requires an embedding application to pass attacker-controlled JavaScript to the parser; the published vendor impact is an engine crash.
The record
- CVE
- CVE-2024-40754
- Published
- Sep 10, 2024
- Updated
- Sep 18, 2024
- Vendor
- Samsung Electronics Co., Ltd.
- Product
- Escargot
- Classifications
- CWE-122, CAPEC-100, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 10, 2024CVE publishedPublication date reported by the CVE source.
- Sep 18, 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?
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- Affected versionversion=4.0.0
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What is affected?
Published CVSS scores
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Attacks
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Weakness, pattern, technique
Public exploit references
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Technologies
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Your stack
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