Multiple vulnerabilities in Istio
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-21679 CVE-2022-21701 |
| CWE-ID | CWE-285 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Istio Web applications / Other software |
| Vendor | Istio |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper Authorization
EUVDB-ID: #VU59823
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2022-21679
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization check.
The vulnerability exists due to incorrect configuration for proxies in the "hosts" and "notHosts" fields. A remote attacker can cause requests to accidentally bypass or get rejected by the authorization policy.
MitigationInstall updates from vendor's website.
Vulnerable software versionsIstio: 1.12.0 - 1.12.1
CPE2.3 External links
http://istio.io/latest/news/security/istio-security-2022-001
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU59825
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2022-21701
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Kubernetes Gateway API, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsIstio: 1.12.0 - 1.12.1
CPE2.3 External links
http://istio.io/latest/news/security/istio-security-2022-002
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
