CVE-2012-2652 — Time-of-check Time-of-use (TOCTOU) Race Condition in Qemu

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition8 documents7 sources
Severity
4.4MEDIUMNVD
EPSS
0.1%
top 79.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
QemuDebian Qemu
Timeline
PublishedAug 7
Latest updateMay 17

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.

CVSS vector

AV:L/AC:M/C:P/I:P/A:PExploitability: 3.4 | Impact: 6.4

Affected Packages3 packages

▶debiandebian/qemu< qemu 1.1.0+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1.1.0+dfsg-1+3
▶NVDqemu/qemu1.0

🔴Vulnerability Details

2
GHSA
GHSA-47rg-xchh-xj5g: The bdrv_open function in Qemu 1↗2022-05-17
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OSV
CVE-2012-2652: The bdrv_open function in Qemu 1↗2012-08-07
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📋Vendor Advisories

3
Ubuntu
QEMU vulnerability↗2012-08-02
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Red Hat
qemu: vulnerable to temporary file symlink attacks↗2012-05-28
▶
Debian
CVE-2012-2652: qemu - The bdrv_open function in Qemu 1.0 does not properly handle the failure of the m...↗2012
▶

💬Community

2
Bugzilla
CVE-2012-2652 qemu: vulnerable to temporary file symlink attacks [fedora-all]↗2012-05-28
▶
Bugzilla
CVE-2012-2652 qemu: vulnerable to temporary file symlink attacks↗2012-05-24
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