Stack-Based Buffer Overflow in GNU Binutils Affects Remote Functionality
CVE-2025-0840

6.3MEDIUM

Key Information:

Vendor
Gnu
Status
Binutils
Vendor
CVE Published:
29 January 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in GNU Binutils versions up to 2.43, specifically in the disassemble_bytes function located within the objdump.c file. This issue arises from improper manipulation of the argument buffer, leading to a stack-based buffer overflow. Attackers may exploit this vulnerability remotely, although the complexity of executing the attack is relatively high. Public disclosure of the exploit has occurred, highlighting the urgency for potential mitigation. Users are advised to upgrade to version 2.44 or later to resolve this security concern. For more details, reference the patch identified by baac6c221e9d69335bf41366a1c7d87d8ab2f893.

Affected Version(s)

Binutils 2.0

Binutils 2.1

Binutils 2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-0840 - Proof of Concept

References

https://vuldb.com/?id.293997
vdb-entrytechnical-description
https://vuldb.com/?ctiid.293997
signaturepermissions-required
https://vuldb.com/?submit.485255
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wenjusun (VulDB User)
.