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CVE-2020-15708— Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability

Quick assessment

Affected
Ubuntu libvirt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt中存在安全漏洞，该漏洞源于UNIX域套接字上存在不正确的权限。本地攻击者可利用该漏洞访问libvirt并提升权限。

CVSS 9.3 · Critical EPSS 0.40% · P32
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I. Basic Information for CVE-2020-15708

Vulnerability Information
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Vulnerability Title
Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. An attacker could use this to overwrite arbitrary files or execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat libvirt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt中存在安全漏洞，该漏洞源于UNIX域套接字上存在不正确的权限。本地攻击者可利用该漏洞访问libvirt并提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ubuntu libvirt unspecified ~ 6.0.0-0ubuntu8.3 -

II. Public POCs for CVE-2020-15708

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III. Intelligence Information for CVE-2020-15708

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IV. Related Vulnerabilities

Same product: libvirt
Same vendor: Ubuntu
Same weakness: CWE-732

V. Comments for CVE-2020-15708

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