Token Caching Flaw in Apache CXF's STSClient
CVE-2017-5656

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Cxf
Vendor
CVE Published:
18 April 2017

What is CVE-2017-5656?

A vulnerability in the Apache CXF STSClient allows an attacker to exploit a problematic caching mechanism for delegation tokens. This flaw permits the crafting of tokens that can return identifiers corresponding to cached tokens of other users, facilitating unauthorized access and impersonation. Users of Apache CXF STSClient prior to versions 3.1.11 and 3.0.13 are advised to upgrade to secure their applications against potential exploits.

Affected Version(s)

Apache CXF 3.1.x before 3.1.11

Apache CXF versions before 3.0.13

References

https://access.redhat.com/errata/RHSA-2017:1832
vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1038282
vdb-entryx_refsource_SECTRACK
http://cxf.apache.org/security-advisories.data/CVE-2017-5...
x_refsource_CONFIRM

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

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2017-5656 : Token Caching Flaw in Apache CXF's STSClient