CVE-2019-20892
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I. Basic Information for CVE-2019-20892
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Net-SNMP 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Net-SNMP是一套开源的简单网络管理协议（Simple Network Management Protocol）软件。该软件用于监控网络设备、电脑设备、UPS设备等。 Net-SNMP 5.8.1.pre1之前版本中的snmplib/snmpusm.c 文件的usm_free_usmStateReference存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2019-20892
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.oracle.com/security-alerts/cpujan2021.htmlx_refsource_MISC
- https://sourceforge.net/p/net-snmp/bugs/2923/x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1663027x_refsource_MISC
- https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2019-20892
Same Patch Batch · n/a · 2020-06-25 · 14 CVEs total
| CVE-2018-21268 | 10.0 CRITICAL | traceroute 注入漏洞 |
| CVE-2020-15302 | Argent RecoveryManager 安全漏洞 | |
| CVE-2020-9437 | SecureAuth IdP 跨站脚本漏洞 | |
| CVE-2019-19505 | Tenda PA6 Wi-Fi Powerline extender 缓冲区错误漏洞 | |
| CVE-2019-19506 | Tenda PA6 Wi-Fi Powerline extender 安全漏洞 | |
| CVE-2019-16213 | Tenda PA6 Wi-Fi Powerline extender 操作系统命令注入漏洞 | |
| CVE-2020-10177 | Pillow 缓冲区错误漏洞 | |
| CVE-2020-11538 | Pillow 缓冲区错误漏洞 | |
| CVE-2020-10994 | Pillow 缓冲区错误漏洞 | |
| CVE-2020-10379 | Pillow 缓冲区错误漏洞 | |
| CVE-2020-10378 | Pillow 缓冲区错误漏洞 | |
| CVE-2020-11735 | wolfSSL 加密问题漏洞 | |
| CVE-2020-15047 | KDE Trojita 信任管理问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2019-20892
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