MEDIUM
qemu: vulnerable to temporary file symlink attacks
Published Aug 7, 2012
4.4
MEDIUMCVSS 2.0
EPSS 0.34%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.4 MEDIUM NVD
AV:L/AC:M/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.34% 0.00344
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00344
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00344) | 25.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00344) | 26.00th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00105) | 26.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
Weaknesses (1)
References (12)
- http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169 x_refsource_CONFIRM
- http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/50132 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/50689 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2012/dsa-2545 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/53725 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1522-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-2652 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=824919 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-2652
- https://www.cve.org/CVERecord?id=CVE-2012-2652
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169 | x_refsource_CONFIRM | |
| http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log | x_refsource_CONFIRM | |
| http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html | vendor-advisoryx_refsource_SUSE | |
| http://secunia.com/advisories/50132 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/50689 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2012/dsa-2545 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/53725 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-1522-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2012-2652 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=824919 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-2652 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-2652 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Aug 7, 2012
Updated Aug 6, 2024
Reserved May 14, 2012
Link CVE-2012-2652
CISA Vulnrichment
Updated n/a