Incorrect Permission Assignment for Critical Resource Affecting qemu package, versions <1:2.8+dfsg-5
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-428469
- published 27 Jun 2018
- disclosed 9 Jul 2018
Introduced: 27 Jun 2018
CVE-2017-7471 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
qemu
to version 1:2.8+dfsg-5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.
References
- https://security-tracker.debian.org/tracker/CVE-2017-7471
- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9c6b899f7a46893ab3b671e341a2234e9c0c060e
- https://security.gentoo.org/glsa/201706-03
- http://www.openwall.com/lists/oss-security/2017/04/19/2
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471
- http://www.securityfocus.com/bid/97970
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2234e9c0c060e