Buffer overflow via unchecked RLE run lengths
Published Mar 14, 2020 · Updated Aug 4, 2024
Buffer overflow in psd-tools 1.8.37 through 1.9.3 allows attackers to corrupt memory via malformed RLE-compressed PSD data. The psd_tools.compression._rle.decode routine allocated a fixed-size output buffer, then copied attacker-controlled literal and repeat runs without checking input or output bounds. Exposure requires the Cython extension and an application that decodes the crafted file into PIL.Image or NumPy; the pure-Python path raises an error instead of overflowing.
Summary
What happened
Buffer overflow in psd-tools 1.8.37 through 1.9.3 allows attackers to corrupt memory via malformed RLE-compressed PSD data. The psd_tools.compression._rle.decode routine allocated a fixed-size output buffer, then copied attacker-controlled literal and repeat runs without checking input or output bounds. Exposure requires the Cython extension and an application that decodes the crafted file into PIL.Image or NumPy; the pure-Python path raises an error instead of overflowing.
The record
- CVE
- CVE-2020-10571
- Published
- Mar 14, 2020
- Updated
- Aug 4, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-754
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 14, 2020CVE publishedPublication date reported by the CVE source.
- Aug 4, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
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.
Weakness, pattern, technique
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
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo