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I. Basic Information for CVE-2021-43396
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In iconvdata/iso-2022-jp-3.c in the GNU C Library (aka glibc) 2.34, remote attackers can force iconv() to emit a spurious '\0' character via crafted ISO-2022-JP-3 data that is accompanied by an internal state reset. This may affect data integrity in certain iconv() use cases. NOTE: the vendor states "the bug cannot be invoked through user input and requires iconv to be invoked with a NULL inbuf, which ought to require a separate application bug to do so unintentionally. Hence there's no security impact to the bug.
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
GNU C Library 安全漏洞
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。glibc(GNU C Library)是GNU计划所实现的C标准库。 GNU C Library (又名 glibc) 2.34版本存在安全漏洞,该漏洞源于受影响版本库中iconvdata/iso-2022-jp-3.c的iconv()存在数据校验问题。远程攻击者可利用该漏洞通过精心制作的ISO-2022-JP-3数据强制iconv()发出一个虚假的0字符,并伴随着内部状态重置。在某些iconv
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
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2021-43396
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III. Intelligence Information for CVE-2021-43396
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