6.5

CVSS Score

3.0

-

CVSS Score

Basic Information

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CVE-2017-11755

CVE-2017-11755: The WritePICONImage function in coders/xpm.c in ImageMagick 7.0.6-4 allows remote attackers to...

The WritePICONImage function in coders/xpm.c in ImageMagick 7.0.6-4 allows remote attackers to cause a denial of service (memory leak) via a crafted file that is mishandled in an AcquireSemaphoreInfo call.

(GitHub Advisory)

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CVE-2017-11755

CVE-2017-11755:

6.5

CVSS Score

3.0

-

CVSS Score

Basic Information

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Technical Details

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Root Cause Analysis

The vulnerability description and the GitHub issue #634 provide strong evidence pointing to WritePICONImage as the function that handles the malicious input and AcquireSemaphoreInfo as the function where the memory leak (mishandling of a semaphore) occurs. The stack trace from the issue confirms the involvement of these functions during the problematic execution flow. Although no specific commit patches were provided or found through the issue URL, the available textual information is sufficient to identify these functions as directly related to the vulnerability. WritePICONImage is the function processing the input that triggers the vulnerability, and AcquireSemaphoreInfo is where the resource leak happens.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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