XXE Attack Vulnerability in Apereo Bedework WebDAV Interface
CVE-2018-20000

7.5HIGH

Key Information:

Vendor

Apereo

Status
Bw-webdav
Vendor
CVE Published:
10 December 2018

What is CVE-2018-20000?

The Apereo Bedework WebDAV interface prior to version 4.0.3 is vulnerable to XML External Entity (XXE) attacks. This vulnerability can be exploited by an attacker to read local files from the server through a specially crafted invite-reply document. The issue is linked to the webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java components. It is crucial for administrators to update to the latest version to mitigate this risk and enhance overall web application security.

References

https://github.com/Bedework/bw-webdav/pull/1
x_refsource_MISC
https://github.com/Bedework/bw-webdav/compare/bw-webdav-4...
x_refsource_MISC

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 Reserved

  • Vulnerability published

.