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CVE-2020-27827

Quick assessment

Affected
n/a lldp/openvswitch
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.

lldpd是一款能够接收和发送LLDP帧的守护程序。 Ubuntu lldpd 软件中存在资源管理错误漏洞，攻击者可利用该漏洞触发拒绝服务攻击。以下产品及型号受到影响：Ubuntu 20.10 openvswitch-common,Ubuntu 20.04 LTS openvswitch-common Ubuntu 18.04 LTS openvswitch-common, Ubuntu 16.04 LTS: openvswitch-common

AI Predicted 5.3 Difficulty: Easy EPSS 3.23% · P88
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I. Basic Information for CVE-2020-27827

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
lldpd 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lldpd是一款能够接收和发送LLDP帧的守护程序。 Ubuntu lldpd 软件中存在资源管理错误漏洞，攻击者可利用该漏洞触发拒绝服务攻击。以下产品及型号受到影响：Ubuntu 20.10 openvswitch-common,Ubuntu 20.04 LTS openvswitch-common Ubuntu 18.04 LTS openvswitch-common, Ubuntu 16.04 LTS: openvswitch-common
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
- lldp/openvswitch lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9 -

II. Public POCs for CVE-2020-27827

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III. Intelligence Information for CVE-2020-27827

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Vendor Advisories for CVE-2020-27827 (4)

Mailing List Discussions for CVE-2020-27827 (3)

Other References for CVE-2020-27827 (1)

Same Patch Batch · n/a · 2021-03-18 · 45 CVEs total

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Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-400