CVE-2023-42282

The ip package before 1.1.9 for Node.js might allow SSRF because some IP addresses (such as 0x7f.1) are improperly categorized as globally routable via…

Critical · published February 8, 2024

CVSS v3.1
9.8
EPSS
2%
Percentile
75.8
In the wild
Unconfirmed
What it is

🔥 A misclassification in the ip package lets attackers slip through the backdoor! This SSRF vulnerability in versions before 1.1.9 could allow some sneaky addresses like 0x7f.1 to masquerade as public IPs. 🚨 Think of it like a bouncer at a club who mistakenly lets in someone with a fake ID. The bouncer assumes they’re a VIP guest when they’re really just a party crasher, giving them access to all the exclusive areas. An attacker could exploit this flaw to access internal services that should be off-limits, potentially leading to data breaches or even remote code execution. It's alarmingly simple for them to cause absolute chaos if they can reach sensitive systems within your network.

Put simply

Think of it like a bouncer at a club who mistakenly lets in someone with a fake ID. The bouncer assumes they’re a VIP guest when they’re really just a party crasher, giving them access to all the exclusive areas. This Server-Side Request Forgery (SSRF) vulnerability stems from the ip package not correctly identifying certain IP addresses as private, allowing unauthorized requests to internal resources.

What to do

An attacker could exploit this flaw to access internal services that should be off-limits, potentially leading to data breaches or even remote code execution. It's alarmingly simple for them to cause absolute chaos if they can reach sensitive systems within your network. Upgrade the ip package to version 1.1.9 or later immediately to block this vulnerability. Review your network access controls and monitor for any unusual activity that might indicate an attempted exploit. Regularly audit your dependencies to keep everything secure! You've got this! Patch up and reinforce your defenses to keep your systems safe! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01613 · 75.8th percentile
Published
2024-02-08T00:00Z
EPSS history
Timeline
  • 08 FEB 00:00Z
    The ip package before 1.1.9 for Node.js might allow SSRF because some IP addresses (such as 0x7f.1) are improperly categorized as globally routable via…
    cvelistv5