Bug 1886366 (CVE-2020-25652)
| Summary: | CVE-2020-25652 spice-vdagent: possibility to exhaust file descriptors in vdagentd | ||
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| Product: | [Other] Security Response | Reporter: | Mauro Matteo Cascella <mcascell> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | alon, cfergeau, hdegoede, marcandre.lureau, rh-spice-bugs, security-response-team, uril |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | spice-vdagent 0.21.0 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. This flaw allows any unprivileged local guest user to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-05-18 14:35:43 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1886486, 1894435 | ||
| Bug Blocks: | 1882815 | ||
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Description
Mauro Matteo Cascella
2020-10-08 09:46:56 UTC
Acknowledgments: Name: Matthias Gerstner (SUSE Security Team) External References: https://www.openwall.com/lists/oss-security/2020/11/04/1 Created spice-vdagent tracking bugs for this issue: Affects: fedora-all [bug 1894435] Upstream commits: https://github.com/freedesktop/spice-vd_agent/commit/91caa9223857708475d29df1768208fed1675340 https://github.com/freedesktop/spice-vd_agent/commit/812ca777469a377c84b9861d7d326bfc72563304 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-25652 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:1791 https://access.redhat.com/errata/RHSA-2021:1791 |