Code execution via out-of-bounds TTF parser write
Published Sep 27, 2021 · Updated Sep 16, 2024
Out-of-bounds write in Adobe Photoshop Elements 2021 build 19.0 and earlier allows attackers to execute code via a malicious TTF file. The TTF font parser writes beyond an allocated memory boundary while processing crafted font data; Adobe has not disclosed the affected function. Exploitation requires a victim to open the file and runs code in the context of the current user on Windows or macOS.
Summary
What happened
Out-of-bounds write in Adobe Photoshop Elements 2021 build 19.0 and earlier allows attackers to execute code via a malicious TTF file. The TTF font parser writes beyond an allocated memory boundary while processing crafted font data; Adobe has not disclosed the affected function. Exploitation requires a victim to open the file and runs code in the context of the current user on Windows or macOS.
The record
- CVE
- CVE-2021-39825
- Published
- Sep 27, 2021
- Updated
- Sep 16, 2024
- Vendor
- Adobe
- Product
- Photoshop Elements
- Classifications
- CWE-787, T1204.002
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 27, 2021CVE publishedPublication date reported by the CVE source.
- Sep 16, 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=unspecified <=2021.156367
- Affected versionversion=unspecified <=None
What conditions does exploitation require?
What is affected?
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
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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