5.6

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-56827

CVE-2024-56827: A flaw was found in the OpenJPEG project. A heap buffer overflow condition may be triggered when...

A flaw was found in the OpenJPEG project. A heap buffer overflow condition may be triggered when certain options are specified while using the opj_decompress utility. This can lead to an application crash or other undefined behavior.

(GitHub Advisory)

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CVE-2024-56827

CVE-2024-56827:

5.6

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

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Root Cause Analysis

The provided commit directly patches the function opj_j2k_add_tlmarker in src/lib/openjp2/j2k.c. The patch adds a bounds check (l_current_tile_part < cstr_index->tile_index[tileno].nb_tps) before accessing an array element (cstr_index->tile_index[tileno].tp_index[l_current_tile_part]). The absence of this check in the vulnerable version allowed for a heap buffer overflow when l_current_tile_part was greater than or equal to the number of tile-parts (nb_tps), leading to an out-of-bounds write. The vulnerability description aligns with this, stating a heap buffer overflow in the OpenJPEG project related to the opj_decompress utility, and this function is part of the JPEG 2000 decoding process.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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