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CVE-2020-6096

Quick assessment

Affected
n/a GNU glibc
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU glibc 2.30.9000版本中‘memcpy()’函数（ARMv7）的实现存在数字错误漏洞。攻击者可借助特制的‘num’参数利用该漏洞执行代码。

AI Predicted 8.8 Difficulty: Hard EPSS 5.35% · P92
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I. Basic Information for CVE-2020-6096

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable signed comparison vulnerability exists in the ARMv7 memcpy() implementation of GNU glibc 2.30.9000. Calling memcpy() (on ARMv7 targets that utilize the GNU glibc implementation) with a negative value for the 'num' parameter results in a signed comparison vulnerability. If an attacker underflows the 'num' parameter to memcpy(), this vulnerability could lead to undefined behavior such as writing to out-of-bounds memory and potentially remote code execution. Furthermore, this memcpy() implementation allows for program execution to continue in scenarios where a segmentation fault or crash should have occurred. The dangers occur in that subsequent execution and iterations of this code will be executed with this corrupted data.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
有符号至无符号转换错误
Source: CVE Program / CVE List V5
Vulnerability Title
GNU glibc 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU glibc 2.30.9000版本中‘memcpy()’函数（ARMv7）的实现存在数字错误漏洞。攻击者可借助特制的‘num’参数利用该漏洞执行代码。
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
- GNU glibc 2.30.9000 -

II. Public POCs for CVE-2020-6096

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III. Intelligence Information for CVE-2020-6096

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Vendor Advisories for CVE-2020-6096 (1)

Mailing List Discussions for CVE-2020-6096 (4)

Other References for CVE-2020-6096 (2)

Same Patch Batch · n/a · 2020-04-01 · 41 CVEs total

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CVE-2019-3945 Parrot ANAFI 安全漏洞
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CVE-2020-10865 Avast Antivirus 安全漏洞
CVE-2020-11457 pfSense 跨站脚本漏洞
CVE-2020-11449 Technicolor 安全漏洞
CVE-2020-10231 多款TP-Link产品代码问题漏洞
CVE-2020-7948 WordPress Auth0 安全漏洞
CVE-2020-7947 WordPress Auth0 注入漏洞
CVE-2020-5391 WordPress Auth0 跨站请求伪造漏洞
CVE-2020-6753 WordPress Auth0 跨站脚本漏洞
CVE-2020-5392 WordPress Auth0 跨站脚本漏洞
CVE-2020-11445 多款TP-LINK产品授权问题漏洞

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-195

V. Comments for CVE-2020-6096

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