CVE-2017-11303 in Photoshop
Summary
by MITRE
An issue was discovered in Adobe Photoshop 18.1.1 (2017.1.1) and earlier versions. An exploitable memory corruption vulnerability exists. Successful exploitation could lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 01/26/2021
Adobe Photoshop versions 18.1.1 and earlier contain a critical memory corruption vulnerability that presents a significant security risk to users. This flaw exists within the application's handling of specific file formats and processing routines that fail to properly validate input data structures. The vulnerability manifests when the software attempts to parse malformed or specially crafted input files, leading to improper memory management during the rendering or processing operations. The root cause of this issue stems from inadequate bounds checking and memory allocation practices within the image processing pipeline, creating opportunities for attackers to manipulate memory contents through carefully constructed malicious inputs.
The technical exploitation of this vulnerability follows a classic memory corruption pattern where attackers can overwrite critical memory locations through buffer overflows or use-after-free conditions. When Photoshop processes vulnerable file formats, the application's memory management routines fail to properly validate the size and structure of incoming data, allowing attackers to craft inputs that exceed allocated buffer boundaries. This memory corruption can be leveraged to execute arbitrary code within the context of the Photoshop application, potentially enabling full system compromise. The vulnerability's exploitation requires careful crafting of input files that trigger specific code paths within the application's image processing engine, making it a sophisticated attack vector that requires targeted exploitation techniques.
The operational impact of this vulnerability extends beyond simple code execution to encompass potential full system compromise and data breach scenarios. An attacker who successfully exploits this vulnerability could gain complete control over a victim's system, potentially accessing sensitive documents, personal data, or corporate information stored within the affected environment. The vulnerability affects users who frequently work with image files or who may encounter maliciously crafted files in legitimate workflows, creating widespread exposure across various user bases including creative professionals, graphic designers, and general consumers. Organizations that rely heavily on Adobe Photoshop for their creative workflows face significant risk exposure, particularly in environments where users may encounter untrusted image files from external sources or through social engineering attacks.
Mitigation strategies for this vulnerability require immediate patching of affected Adobe Photoshop versions to the latest security updates provided by Adobe. Users should disable or restrict the automatic opening of untrusted image files and implement strict file validation procedures for incoming content. Organizations should consider implementing application whitelisting policies that restrict the execution of unpatched software versions and establish monitoring procedures for suspicious file processing activities. Network-based defenses can include content filtering solutions that identify and block known malicious file formats, while endpoint protection solutions should be configured to monitor for anomalous behavior patterns that might indicate exploitation attempts. The vulnerability aligns with attack patterns documented in the attack tree framework where adversaries leverage memory corruption flaws to achieve privilege escalation and persistent access. Security teams should also consider implementing network segmentation and user access controls to limit the potential impact of successful exploitation attempts, while maintaining regular vulnerability assessments to identify similar issues in other Adobe applications and third-party software components.