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CVE-2012-2652

Date: August 7, 2012

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.

Language: C

Severity Score

4.9

Related Resources (13)

Url: http://secunia.com/advisories/50689

Url: http://www.securityfocus.com/bid/53725

Url: http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log

Url: https://security-tracker.debian.org/tracker/CVE-2012-2652

Url: https://access.redhat.com/security/cve/CVE-2012-2652

Url: http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=eba25057b9a5e19d10ace2bc7716667a31297169

Url: http://www.debian.org/security/2012/dsa-2545

Url: https://nvd.nist.gov/vuln/detail/CVE-2012-2652

Url: http://secunia.com/advisories/50132

Url: http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html

Url: http://www.ubuntu.com/usn/USN-1522-1

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2012-2652

Url: https://www.mend.io/vulnerability-database/CVE-2012-2652

Severity Score

4.9

CVSS v3.1

Base Score:	4.9
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	LOW
Availability (A):	LOW

CVSS v2

Base Score:	4.4
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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