CVE-2021-3420
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I. Basic Information for CVE-2021-3420
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat newlib libc 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat newlib libc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。 newlib in versions prior to 4.0.0 存在安全漏洞，该漏洞源于内存分配函数mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc不当的溢出验证可能导致整数溢出，导致分配一个小缓冲区，然后导致基于堆的缓冲区溢出。
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 |
|---|---|---|---|---|
| - | newlib | newlib versions prior to 4.0.0 | - |
II. Public POCs for CVE-2021-3420
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1934088x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQZEUANAWBBAOC4TF5PTPJVLMUR7SFD/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEBF6YHWFNCBW5A2ENSQ3Z56ELF4MTRE/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AMK54N6UOPBFFX2YT32TWSAEFTHGSKAA/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2021-3420
Same Patch Batch · n/a · 2021-03-05 · 46 CVEs total
| CVE-2020-28502 | 8.1 HIGH | Arbitrary Code Injection |
| CVE-2020-28050 | ZOHO ManageEngine Desktop Central 安全漏洞 | |
| CVE-2021-26962 | Aruba AirWave Management Platform 命令注入漏洞 | |
| CVE-2021-27098 | Andrew Harding SPIRE 信任管理问题漏洞 | |
| CVE-2021-26705 | SquareBox CatDV Server 访问控制错误漏洞 | |
| CVE-2021-3377 | ansi_up 跨站脚本漏洞 | |
| CVE-2021-28041 | OpenSSH 资源管理错误漏洞 | |
| CVE-2021-28042 | Deutsche Post Mailoptimizer 路径遍历漏洞 | |
| CVE-2021-27581 | Kentico SQL注入漏洞 | |
| CVE-2021-28040 | OSSEC 安全漏洞 | |
| CVE-2021-26970 | Aruba AirWave Management Platform 命令注入漏洞 | |
| CVE-2021-26971 | Aruba Networks AirWave Management Platform 安全漏洞 | |
| CVE-2021-26968 | Aruba AirWave Management Platform 跨站脚本漏洞 | |
| CVE-2021-26967 | Aruba AirWave Management Platform 跨站脚本漏洞 | |
| CVE-2021-26965 | Aruba Networks AirWave Management Platform SQL注入漏洞 | |
| CVE-2020-35594 | ZOHO ManageEngine ADManager Plus 跨站脚本漏洞 | |
| CVE-2021-26966 | Aruba Networks AirWave Management Platform SQL注入漏洞 | |
| CVE-2021-26963 | Aruba AirWave Management Platform 安全漏洞 | |
| CVE-2021-26964 | Aruba AirWave Management Platform 安全漏洞 | |
| CVE-2021-26960 | Aruba AirWave Management Platform 跨站请求伪造漏洞 |
Showing top 20 of 46 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Same weakness: CWE-190
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Signed integer overflow in metaphone() - CVE-2026-42311
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V. Comments for CVE-2021-3420
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