Path traversal in Spinnaker



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-39143
CWE-ID CWE-22
Exploitation vector Local
Public exploit N/A
Vulnerable software
spinnaker
Other software / Other software solutions

Vendor spinnaker

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU59350

Risk: Low

CVSSv4.0: 4.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-39143

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error within uses of TAR files by AppEngine for deployments. A local user can send a specially crafted HTTP request and override arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

spinnaker: All versions

CPE2.3 External links

https://github.com/spinnaker/spinnaker/security/advisories/GHSA-34jx-3vmr-56v8


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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