CVE-2020-13811 in Studio Photo
Summary
by MITRE
An issue was discovered in Foxit Studio Photo before 3.6.6.922. It has an out-of-bounds write via a crafted TIFF file.
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Analysis
by VulDB Data Team • 10/22/2020
The vulnerability identified as CVE-2020-13811 represents a critical out-of-bounds write flaw within Foxit Studio Photo version 3.6.6.922 and earlier. This security defect manifests when the application processes specially crafted TIFF image files, creating a scenario where maliciously constructed data can cause the software to write beyond the allocated memory boundaries. The flaw resides in the image parsing functionality that handles TIFF file formats, specifically during the decompression and rendering phases of image processing. Such vulnerabilities typically arise from insufficient input validation and memory management practices within image handling libraries.
The technical nature of this vulnerability aligns with CWE-787, which defines out-of-bounds write conditions as a class of weaknesses where programs write data past the end of allocated buffer space. This particular issue demonstrates how image processing applications can become vectors for memory corruption attacks, particularly when dealing with complex file formats like TIFF that support multiple compression schemes and metadata structures. The vulnerability can be exploited through social engineering tactics where users are诱导ed to open maliciously crafted TIFF files, potentially leading to arbitrary code execution or application crashes.
From an operational perspective, this vulnerability presents significant risks to organizations relying on Foxit Studio Photo for document management and image processing tasks. The attack surface extends beyond individual user systems to enterprise environments where document workflows often involve automated processing of images from various sources. The out-of-bounds write condition creates potential for privilege escalation attacks, as successful exploitation could allow attackers to execute malicious code with the privileges of the affected application. This vulnerability particularly impacts environments where users regularly process images from untrusted sources, such as email attachments or web downloads.
The exploitation of CVE-2020-13811 follows patterns consistent with the attack techniques documented in the MITRE ATT&CK framework under the Tactic of Execution and Persistence. Attackers can leverage this vulnerability to achieve initial compromise through malicious image files, potentially establishing footholds within networks before escalating privileges or moving laterally. Security professionals should consider this vulnerability as part of broader threat modeling exercises, particularly in environments where document automation and image processing workflows are prevalent. The remediation strategy involves immediate patch deployment to Foxit Studio Photo versions 3.6.6.922 or later, which address the memory handling issues in TIFF file parsing. Additionally, organizations should implement network-level controls to restrict access to potentially malicious image files and establish robust incident response procedures for handling potential exploitation attempts.