High severity · published Apr 26, 2018
CVE-2016-9602
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS
8.8
CVSS
3.6%
EPSS
No
On KEV
Description
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. 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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
QE
Qemu · Qemu
before 2.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9602
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9602
Mailing List
http://www.openwall.com/lists/oss-security/2017/01/17/12
Third Party Advisory
http://www.securityfocus.com/bid/95461
Third Party Advisory
http://www.securitytracker.com/id/1037604
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602
Mailing List
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.html
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