7.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2023-52356

CVE-2023-52356: A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted...

A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading to a denial of service.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2023-52356

CVE-2023-52356:

7.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

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Root Cause Analysis

The primary vulnerable function, TIFFReadRGBATileExt, is explicitly named in the vulnerability description. The associated merge request, aimed at fixing the issue, mentions TIFFReadRGBATile and TIFFReadRGBAStrip in its title, indicating that these functions were modified as part of the mitigation. This suggests that either the vulnerability also existed in these functions, or they are closely related to TIFFReadRGBATileExt and required changes to fully address the heap-buffer overflow. Without the specific commit diffs, the exact nature of the changes (vulnerable code vs. mitigation) within TIFFReadRGBATile and TIFFReadRGBAStrip cannot be definitively determined from the provided information alone, hence the medium confidence for these two. However, their inclusion in the fix strongly suggests their relevance to the vulnerability. The file path 'libtiff/tif_getimage.c' is a common location for these types of image reading functions in libtiff, though this is an assumption as the file path was not explicitly in the provided data.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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