Denial of Service Vulnerability in Apache CXF Web Services
CVE-2017-12624

5.5MEDIUM

Key Information:

Vendor
Apache
Status
Apache Cxf
Vendor
CVE Published:
14 November 2017

Badges

👾 Exploit Exists🟡 Public PoC

Summary

Apache CXF presents a vulnerability where a specially crafted message attachment header may lead to a Denial of Service attack on web service providers utilizing both JAX-WS and JAX-RS specifications. By default, header sizes exceeding 300 characters are rejected, but this limit is configurable, which could be exploited by malicious actors to disrupt service availability.

Affected Version(s)

Apache CXF prior to 3.1.14

Apache CXF 3.2.x prior to 3.2.1

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-2017-12624
Created by tafamace

References

https://access.redhat.com/errata/RHSA-2018:2428
vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1040486
vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:2424
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.