PT-2023-25821 · C-Blosc2 · C-Blosc2

Rish9101 · Publicado 2023-12-25 · Atualizado 2025-04-25 · CVE-2023-37185

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions C-blosc2 versions prior to 2.9.3

Description The issue is related to a NULL pointer dereference in the function zfp prec decompress at zfp/blosc2-zfp.c. This indicates a problem where the code attempts to access memory through a pointer that has not been initialized, leading to potential crashes or other unexpected behavior.

Recommendations For versions prior to 2.9.3, update to version 2.9.3 or later to resolve the issue. As a temporary workaround, consider disabling the zfp prec decompress function until a patch is available.

Exploit

Correção

NULL Pointer Dereference

Enumeração de Fraquezas

CWE-476

Identificadores relacionados

CVE-2023-37185

Produtos afetados

C-Blosc2

Referências · 7

• 🔥 https://github.com/Blosc/c-blosc2/issues/519 · Exploit
• https://github.com/Blosc/c-blosc2/commit/425e8a9a59d49378d57e2116b6c9b0190a5986f5 · Correção
• https://github.com/Blosc/c-blosc2/compare/v2.9.2...v2.9.3 · Nota
• https://t.me/cvenotify/65092 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2023-37185 · Nota de Segurança
• https://t.me/cvenotify/119819 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2023-37185 · Aviso do Fabricante