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Vulnerability DatabaseCVE-2020-23895
CVE-2020-23895:
WildBit Viewer vulnerability analysis and mitigation
Overview
A User Mode Write Access Violation (AV) vulnerability exists in Editor+0x76af of WildBit Viewer v6.6 that allows attackers to cause a denial of service (DoS) via a crafted tiff file. The vulnerability was disclosed on November 10, 2021 (AttackerKB).
Technical details
The vulnerability occurs in the Editor component at offset 0x76af where a User Mode Write Access Violation is triggered when processing malformed TIFF files. The issue manifests as an invalid memory write operation using the instruction 'fistp qword ptr [ecx+edx]' at memory address 0x7fc7f8d0 (GitHub).
Impact
When successfully exploited, this vulnerability allows attackers to cause a denial of service condition in WildBit Viewer v6.6 by crashing the application through a maliciously crafted TIFF file (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than WildBit Viewer v6.6. The latest version available is 6.14 which was released on August 23, 2024 (WildBit).
Additional resources
Source: This report was generated using AI
Related WildBit Viewer vulnerabilities:
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