CVE-2020-10379 : Exploit Details and Defense Strategies

In Pillow before 7.1.0, two Buffer Overflows in libImaging/TiffDecode.c were identified.

Understanding CVE-2020-10379

What is CVE-2020-10379?

CVE-2020-10379 refers to two Buffer Overflows found in the libImaging/TiffDecode.c component of Pillow before version 7.1.0.

The Impact of CVE-2020-10379

The vulnerabilities could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the buffer overflows.

Technical Details of CVE-2020-10379

Vulnerability Description

The vulnerabilities involve buffer overflows in the libImaging/TiffDecode.c module of Pillow before version 7.1.0.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions affected: N/A

Exploitation Mechanism

The vulnerabilities can be exploited by crafting a malicious Tiff image that triggers the buffer overflows when processed by Pillow.

Mitigation and Prevention

Immediate Steps to Take

Update Pillow to version 7.1.0 or later to mitigate the vulnerabilities.
Avoid opening untrusted Tiff images with Pillow before applying the patch.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement secure coding practices to prevent buffer overflow vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by Pillow to address the identified buffer overflow issues.