XML External Entity Injection Vulnerability in Apache Karaf
CVE-2018-11788

9.8CRITICAL

Key Information:

Vendor
Apache
Status
Apache Karaf
Vendor
CVE Published:
7 January 2019

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 24%

Summary

Apache Karaf features a deployment ability that allows users to hot deploy features XML files. However, the XMLInputFactory class utilized by Apache Karaf lacks necessary securities against XML External Entity (XXE) injection attacks. This weakness allows malicious users to potentially exploit the system by injecting external XML entities, which can lead to unintended exposure of sensitive data or impact the integrity of the application. This vulnerability affects all versions prior to Apache Karaf 4.1.7 and 4.2.2, where appropriate mitigating measures have been implemented.

Affected Version(s)

Apache Karaf Any Apache Karaf version prior to 4.1.7 and 4.2.2

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-2018-11788
Created by brianwrf

References

http://karaf.apache.org/security/cve-2018-11788.txt
x_refsource_MISC
http://www.securityfocus.com/bid/106479
vdb-entryx_refsource_BID

EPSS Score

24% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.