Bug 1025685
| Summary: | CVE-2013-4400 libvirt: virt-login-shell arbitrary file overwrites vulnerability [fedora-all] | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Petr Matousek <pmatouse> |
| Component: | libvirt | Assignee: | Eric Blake <eblake> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 20 | CC: | berrange, clalancette, crobinso, eblake, itamar, jforbes, jyang, laine, libvirt-maint, veillard, virt-maint |
| Target Milestone: | --- | Keywords: | Reopened, Security, SecurityTracking |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libvirt-1.1.3.1-1.fc20 | Doc Type: | Release Note |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2014-01-16 22:14:39 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: | |||
| Bug Blocks: | 1015228 | ||
|
Description
Petr Matousek
2013-11-01 09:43:30 UTC
Please use the following update submission link to create the Bodhi request for this issue as it contains the top-level parent bug(s) as well as this tracking bug. This will ensure that all associated bugs get updated when new packages are pushed to stable. Please also ensure that the "Close bugs when update is stable" option remains checked. Bodhi update submission link: https://admin.fedoraproject.org/updates/new/?type_=security&bugs=1015228,1025685 libvirt-1.1.3.1-1.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/libvirt-1.1.3.1-1.fc20 Package libvirt-1.1.3.1-1.fc20: * should fix your issue, * was pushed to the Fedora 20 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing libvirt-1.1.3.1-1.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2013-20869/libvirt-1.1.3.1-1.fc20 then log in and leave karma (feedback). libvirt-1.1.3.1-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report. Reopening - virt-login-shell broke after
commit b7fcc799ad5d8f3e55b89b94e599903e3c092467
Author: Daniel P. Berrange <berrange>
Date: Wed Oct 9 15:14:34 2013 +0100
Close all non-stdio FDs in virt-login-shell (CVE-2013-4400)
We don't want to inherit any FDs in the new namespace
except for the stdio FDs. Explicitly close them all,
just in case some do not have the close-on-exec flag
set.
Signed-off-by: Daniel P. Berrange <berrange>
because that accidentally closed all the namespace fds such that the program always fails.
I believe this was fixed by;
commit 3d007cb5f892bb9fd3f6efac6dc89a8e00e94922
Author: Eric Blake <eblake>
Date: Mon Dec 23 10:15:48 2013 -0700
virt-login-shell: fix regressions in behavior
Actually, I filed a new bug to track the regression, rather than reopen this CVE report, since I know the sec guys have some process around this. https://bugzilla.redhat.com/show_bug.cgi?id=1054479 |