Information Leak Vulnerability in Sprockets by Rails
CVE-2018-3760

7.5HIGH

Key Information:

Vendor

Hackerone

Status
Sprockets
Vendor
CVE Published:
26 June 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 93%

What is CVE-2018-3760?

An information leak vulnerability exists in Sprockets, impacting versions up to 4.0.0.beta7, 3.7.1, and 2.12.4. Exploiting this flaw allows attackers to make specially crafted requests that can reveal files outside an application's root directory. This poses a significant risk, particularly when the Sprockets server is deployed in a production environment. All users of affected versions are advised to upgrade or implement immediate workarounds to mitigate potential risks.

Affected Version(s)

Sprockets 4.0.0.beta8, 3.7.2, 2.12.5

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-2018-3760
Created by mpgn

Ruby-On-Rails-Path-Traversal-Vulnerability-CVE-2018-3760-
Created by cyberharsh

References

https://github.com/rails/sprockets/commit/c09131cf5b2c479...
x_refsource_MISC
https://access.redhat.com/errata/RHSA-2018:2745
vendor-advisoryx_refsource_REDHAT
https://groups.google.com/d/msg/rubyonrails-security/ft_J...
x_refsource_MISC

EPSS Score

93% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.