CVE-2016-9602

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 26 Apr 2018, 19:00
Last modified:06 Aug 2024, 02:59

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9 HIGH
v2.0 (nvd)
EPSS Score
1.3% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Apr 2018, 19:00
Published
Vulnerability first disclosed
06 Aug 2024, 02:59
Last Modified
Vulnerability information updated

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 Metrics

  • v3.0•HIGH•Score: 7.6CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • v3.0•HIGH•Score: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 9AV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.30%• Percentile: 80%

Techniques & Countermeasures

  • CWE-59•Improper Link Resolution Before File Access ('Link Following')

    The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Systems

  • debian•debian_linux

    8.0

  • qemu•qemu

    < 2.9

  • unspecified•qemu

    qemu 2.9

References (8)