CVE-2020-12141
Quick assessment
Affected
n/a n/a
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.
Contiki是一套用于IoT（物联网）设备的开源跨平台操作系统。 Contiki NG 4.4及之前版本中SNMP堆栈中存在安全漏洞，该漏洞源于。攻击者可利用该漏洞造成拒绝服务，并可能通过特制的SNMP数据包向os/net/app-layer/snmp/snmp-ber.c中的snmp_ber_decode_string_len_buffer缓冲区泄露信息。
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I. Basic Information for CVE-2020-12141
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Contiki 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contiki是一套用于IoT（物联网）设备的开源跨平台操作系统。 Contiki NG 4.4及之前版本中SNMP堆栈中存在安全漏洞，该漏洞源于。攻击者可利用该漏洞造成拒绝服务，并可能通过特制的SNMP数据包向os/net/app-layer/snmp/snmp-ber.c中的snmp_ber_decode_string_len_buffer缓冲区泄露信息。
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-2020-12141
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2020-12141 (2)
-
https://github.com/contiki-ng/contiki-ng/pull/1355 x_refsource_MISC
Other References for CVE-2020-12141 (1)
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https://twitter.com/ScepticCtf x_refsource_MISC
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| CVE-2011-1497 | Rails 跨站脚本漏洞 | |
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IV. Related Vulnerabilities
V. Comments for CVE-2020-12141
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