CVE-2012-2652

qemu: vulnerable to temporary file symlink attacks

Published Aug 7, 2012 CVSS 2.0 · 4.4 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2542-1 qemu-kvm security update
Debian DSA Debian DSA DSA-2545-1 qemu security update
EUVD EUVD EUVD-2012-2638 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.
Ubuntu USN Ubuntu USN USN-1522-1 QEMU vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 7:42 PM
Reserved
May 14, 2012, 12:00 AM
Status
Modified
Published
Aug 7, 2012, 8:55 PM
Modified
Jun 16, 2026, 11:41 PM
Severity
Moderate
Public date
May 28, 2012, 12:00 AM