PT-2024-26267 · Unknown · Taurusxin Ncmdump

Helson-S · Published 2024-05-20 · Updated 2024-05-20 · CVE-2024-34952

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions taurusxin ncmdump version 1.3.2

Description The issue is related to a segmentation violation via the NeteaseCrypt::FixMetadata() function. This allows attackers to cause a Denial of Service (DoS) by using a crafted .ncm file. The vulnerability is located at /src/ncmcrypt.cpp.

Recommendations For version 1.3.2, consider disabling the NeteaseCrypt::FixMetadata() function as a temporary workaround until a patch is available. Restrict access to crafted .ncm files to minimize the risk of exploitation.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2024-34952

Affected Products

Taurusxin Ncmdump

References · 10

• 🔥 https://github.com/Helson-S/FuzzyTesting/tree/master/ncmdump/dos_FixMetadata/poc · Exploit
• 🔥 https://github.com/Helson-S/FuzzyTesting/blob/master/ncmdump/dos_FixMetadata/poc/I1DWE0~U · Exploit
• https://osv.dev/vulnerability/CVE-2024-34952 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-34952 · Security Note
• https://github.com/taurusxin/ncmdump/issues/18 · Note
• https://github.com/Helson-S/FuzzyTesting/blob/master/ncmdump/dos_FixMetadata/dos_FixMetadata.assets/debug-coredump.png · Note
• https://github.com/Helson-S/FuzzyTesting/tree/master/ncmdump/dos_FixMetadata · Note
• https://github.com/Helson-S/FuzzyTesting/blob/master/ncmdump/dos_FixMetadata/dos_FixMetadata.md · Note
• https://t.me/cvenotify/80449 · Telegram Post
• https://t.me/cvenotify/80442 · Telegram Post