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CVE-2019-14871

Quick assessment

Affected
Red Hat newlib
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 Newlib是美国红帽（Red Hat）公司的一款主要用于嵌入式系统的C语言库。 Red Hat Newlib 3.3.0之前版本中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 1.01% · P60

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-14871

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior to 3.3.0, does not check for memory allocation problems when the DEBUG flag is unset (as is the case in production firmware builds).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Newlib 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Newlib是美国红帽（Red Hat）公司的一款主要用于嵌入式系统的C语言库。 Red Hat Newlib 3.3.0之前版本中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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
Red Hat newlib all newlib versions prior to 3.3.0 -

II. Public POCs for CVE-2019-14871

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III. Intelligence Information for CVE-2019-14871

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Other References for CVE-2019-14871 (1)

Same Patch Batch · Red Hat · 2020-03-18 · 5 CVEs total

CVE-2019-19351 7.0 HIGH Red Hat jenkins-slave-base-rhel7-container 安全漏洞
CVE-2019-19355 7.0 HIGH Red Hat openshift-enterprise-ansible-operator-container 安全漏洞
CVE-2019-10146 pki-core 跨站脚本漏洞
CVE-2019-19335 Red Hat OpenShift 安全漏洞

IV. Related Vulnerabilities

Same product: newlib
Same vendor: Red Hat
Same weakness: CWE-476

V. Comments for CVE-2019-14871

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