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Description

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A vulnerability was found in NASM Netwide Assember 2.17rc0. This affects the function macho_no_dead_strip of the file outmacho.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Es geht dabei um die Funktion macho_no_dead_strip der Datei outmacho.c. Durch die Manipulation mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal erfolgen. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-08-10 | Published 2025-08-11 | Updated 2025-08-11 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Product status

2.17rc0
affected

Timeline

2025-08-10:Advisory disclosed
2025-08-10:VulDB entry created
2025-08-10:VulDB entry last update

Credits

xdcao (VulDB User) reporter

References

vuldb.com/?id.319377 (VDB-319377 | NASM Netwide Assember outmacho.c macho_no_dead_strip heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.319377 (VDB-319377 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.623185 (Submit #623185 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruption) third-party-advisory

vuldb.com/?submit.623186 (Submit #623186 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruption (Duplicate)) third-party-advisory

bugzilla.nasm.us/show_bug.cgi?id=3392934 issue-tracking

drive.google.com/...V0CMJe8VinmCQ4vP9ZpR/view?usp=drive_link exploit

cve.org (CVE-2025-8843)

nvd.nist.gov (CVE-2025-8843)

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