Arbitrary file upload in Octopus Deploy



Published: 2019-11-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-19084
CWE-ID CWE-434
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Octopus Deploy
Server applications / Application servers

Vendor Octopus Deploy

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU22887

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19084

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file uploads. A remote authenticated attacker with PackagePush permission can upload a specially crafted package and trigger an exception that exposes underlying operating system details.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Octopus Deploy: 3.3.0 - 2019.10.4

External links

http://github.com/OctopusDeploy/Issues/issues/5971


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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