Denial of Service (DoS) Affecting qemu-project/qemu package, versions [,1.2.0-rc0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.34% (27th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-3006929
  • published26 Jan 2022
  • disclosed7 Aug 2012
  • creditUnknown

Introduced: 7 Aug 2012

CVE-2012-2652  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade qemu-project/qemu to version 1.2.0-rc0 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node, which allows local users to overwrite or read arbitrary files via a symlink attack on an unspecified temporary file.

References

CVSS Base Scores

version 3.1