Instack-undercloud: rsync leaks information to undercloud
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
An information leak was found in OpenStack's undercloud. This flaw allows unauthenticated, remote attackers to inspect sensitive data after discovering the IP address of the undercloud, possibly leading to compromising private information, including administrator access credentials.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat OpenStack Platform 13.0 - ELS | — | 8.4.9-13.el7ost | Patch available | CNA |
| Red Hat | Red Hat OpenStack Platform 13.0 (Queens) for RHEL 7.6 EUS | — | 8.4.9-13.el7ost | Patch available | CNA |
Remediation
Red Hat 1 advisory
- RHSA-2022:8897 Released 2022-12-08 · Red Hat rating ImportantRed Hat OpenStack Platform 13.0 (instack-undercloud) security update
- Red Hat OpenStack Platform 13.0 - ELS instack-undercloud-8.4.9-13.el7ost
- Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server instack-undercloud-8.4.9-13.el7ost
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 13.0 - ELS | Fixed | RHSA-2022:8897 |
| Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server | Fixed | RHSA-2022:8897 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3596
- 2026-10-03 Alias added: GHSA-788f-3f4f-vv6f
References
More Red Hat Openstack Platform vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2023-01529 Information leak in api CVSS 3.1HIGH 7.4
- TI-2022-03027 Uncontrolled resource consumption in openstack-neutron CVSS 3.1MEDIUM 6.5
- TI-2021-02596 Open redirect in openstack-nova CVSS 3.1MEDIUM 6.1
- TI-2023-01565 A flaw was found in openvswitch (OVS). CVSS 3.1HIGH 8.2
Sources
- CVE-2022-3596 · CVE Program
- CVE-2022-3596 · NVD
- FIRST EPSS
- GHSA-788f-3f4f-vv6f · GitHub Advisory Database · CC BY 4.0
- CVE-2022-3596 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences