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I. Basic Information for CVE-2021-45960
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
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
Expat 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Expat是一款使用C语言编写的快速流式XML解析器。 Expat 存在安全漏洞，该漏洞源于在2.4.3之前的Expat(又名libexpat)中，xmlparse.c中的storeAtts函数左移29(或更多)位可能会导致realloc错误行为(例如，分配的字节太少，或只释放内存)。
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
-n/a n/a -
II. Public POCs for CVE-2021-45960
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/nanopathi/external_expat_AOSP10_r33_CVE-2021-45960POC Details
2Nonehttps://github.com/Trinadh465/external_lib_AOSP10_r33_CVE-2021-45960_CVE-2021-46143-POC Details
3Nonehttps://github.com/hshivhare67/external_expat_v2.2.6_CVE-2021-45960POC Details
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III. Intelligence Information for CVE-2021-45960
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-45960

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