Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-32783 |
CWE-ID | CWE-441 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Contour Server applications / Other server solutions |
Vendor | Project Contour |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU55330
Risk: Medium
CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-32783
CWE-ID:
CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a confused deputy flaw. A remote authenticated attacker can send a specially crafted request using ExternalName type Service and gain unauthorized access to sensitive information on the system or perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsContour: 0.1.0 - 1.17.0
External linkshttp://github.com/projectcontour/contour/releases/tag/v1.17.1
http://github.com/projectcontour/contour/security/advisories/GHSA-5ph6-qq5x-7jwc
http://github.com/projectcontour/contour/commit/b53a5c4fd927f4ea2c6cf02f1359d8e28bef852e
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.