XXE in Ladon



Published: 2019-07-24
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2019-1010268
CWE-ID CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Ladon
Server applications / Frameworks for developing and running applications

Vendor Python.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) XML External Entity injection

EUVDB-ID: #VU19321

Risk: Medium

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-1010268

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input in the SOAP request handlers. A remote attacker send a specially crafted SOAP call to the request handlers, view contents of arbitrary files on the system and reach the internal network endpoints.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Ladon: 0.6.1 - 1.0.4

External links

http://bitbucket.org/jakobsg/ladon/src/42944fc012a3a48214791c120ee5619434505067/src/ladon/interfaces/soap.py#lines-688


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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