Description
virt-v2v before 0.8.4 does not preserve the VNC console password when converting a guest, which allows local users to bypass the intended VNC authentication by connecting without a password.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | virt-v2v | 0.8.3-5.el6 | RHSA-2011:1615 |
Advisories 1
- RHSA-2011:1615 Red Hat Security Advisory: virt-v2v security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- https://git.fedorahosted.org/cgit/virt-v2v.git/commit/?id=7e9393129116699d1228bb02b9f65b78584582c1
- RHSA-2011:1615 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=702754
- 47086 third-party-advisory
- 77558 vdb-entry