Vulnerability Report

CVE-2017-18111

Title: Atlassian Application Links XML External Entity (XXE)

XML External Entity (XXE)

Proof Of Concept

No public PoC currently indexed for CVE-2017-18111.

CWE Category CWE-611
Published Date Mar 29, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 8.7 CVSS v3.0
Exploit Probability (EPSS)
1.63%

Vulnerability Summary

CVE-2017-18111: The OAuthHelper in Atlassian Application Links before version 5.0.10, from version 5.1.0 before version 5.1.3, and from version 5.2.0 before version 5.2.6 used an XML document builder that was vulnerable to XXE when consuming a client OAuth request. This allowed malicious oauth application linked applications to probe internal network resources by requesting internal locations, read the contents of files and also cause an out of memory exception affecting availability via an XML External Entity vulnerability.

Impacted Vendors

A
atlassian 1

Reference Links

https://ecosystem.atlassian.net/browse/APL-1338 https://ecosystem.atlassian.net/browse/APL-1338
CVSS v3.0
Source Entity [email protected]
Severity HIGH
8.7
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:P/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-18111 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:H

Affected Stack

No specific products linked.