Security Bulletin
This security bulletin contains one low risk vulnerability.
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
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsspinnaker: All versions
CPE2.3 External linkshttps://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.