vulnwire
9.0crit

CVE-2017-7471

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper acc…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 59%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.85% probability of exploitation in the next 30 days, higher than 59% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD2.07.7AV:A/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

  • git.qemu.org /?p=qemu.git%3Ba=commitdiff%3Bh=9c6b899f7a46893ab3b671e341a2234e9c0c060e · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201706-03 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /bid/97970 · vdb-entry, x_refsource_BID, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2017-7471 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2017/04/19/2 · mailing-list, x_refsource_MLIST, x_transferred

Sources

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