Buffer Overflow Vulnerability in bigint-buffer by no2chem
CVE-2025-3194

8.7HIGH

Key Information:

Vendor

no2chem

Status
Bigint-buffer
Vendor
CVE Published:
4 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3194?

The bigint-buffer package is susceptible to a buffer overflow vulnerability in its toBigIntLE() function. This exploitation can lead to application crashes, allowing attackers to disrupt service and potentially execute arbitrary code. Users of this package should evaluate their current versions and consider applying necessary updates or mitigations.

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Affected Version(s)

bigint-buffer 0.0.0

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.

bigint-buffer-safe
Created by LoserLab

References

https://security.snyk.io/vuln/SNYK-JS-BIGINTBUFFER-3364597
https://github.com/no2chem/bigint-buffer/blob/master/src/...
https://www.usenix.org/system/files/sec23fall-prepub-262_...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Cris Staicu
JSON
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