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CVE-2021-4048

Quick assessment

Affected
n/a lapack
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.

Lapack是Lapack社区的一个用于数值线性代数的标准软件库。 lapack 存在缓冲区错误漏洞，该漏洞源于 lapack 中的 CLARRV、DLARRV、SLARRV 和 ZLARRV 函数中发现了越界读取缺陷，OpenBLAS 也使用了这种缺陷。传递给这些函数的特制输入可能会导致使用 lapack 的应用程序崩溃或可能泄露部分内存。

AI Predicted 5.3 Difficulty: Moderate EPSS 2.76% · P86

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-4048

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Lapack 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lapack是Lapack社区的一个用于数值线性代数的标准软件库。 lapack 存在缓冲区错误漏洞，该漏洞源于 lapack 中的 CLARRV、DLARRV、SLARRV 和 ZLARRV 函数中发现了越界读取缺陷，OpenBLAS 也使用了这种缺陷。传递给这些函数的特制输入可能会导致使用 lapack 的应用程序崩溃或可能泄露部分内存。
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

Vendor Product Affected Versions CPE Subscribe
- lapack lapack through version 3.10.0 -

II. Public POCs for CVE-2021-4048

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-4048

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Patches & Fixes for CVE-2021-4048 (6)

Mailing List Discussions for CVE-2021-4048 (2)

Other References for CVE-2021-4048 (1)

Same Patch Batch · n/a · 2021-12-08 · 21 CVEs total

CVE-2021-44726 8.8 HIGH Knime Server 跨站脚本漏洞
CVE-2021-44725 7.5 HIGH Knime Server 路径遍历漏洞
CVE-2021-43978 7.1 HIGH Allegro Windows 安全漏洞
CVE-2021-42110 7.1 HIGH Allegro Windows 输入验证错误漏洞
CVE-2021-40860 Genesys Intelligent Workload Distribution SQL注入漏洞
CVE-2021-44529 Ivanti Endpoint Manager 代码注入漏洞
CVE-2021-3370 DouCo DouPHP 跨站脚本漏洞
CVE-2020-22421 迅易科技 74cms 跨站脚本漏洞
CVE-2018-25020 Linux kernel 安全漏洞
CVE-2021-44556 National Library Of The Netherlands / Research Digger 代码问题漏洞
CVE-2021-44557 MultiNer代码问题漏洞
CVE-2021-42835 PLEX Plex Media Server 访问控制错误漏洞
CVE-2021-21957 Dream Report ODS Remote Connector 安全漏洞
CVE-2021-40861 Genesys Intelligent Workload Distribution SQL注入漏洞
CVE-2021-41450 Tp-link TP-Link AX10 环境问题漏洞
CVE-2021-41063 Aanderaa GeoView SQL注入漏洞
CVE-2021-43399 yubihsm-shell 缓冲区错误漏洞
CVE-2020-27416 Maharashtra State Electricity Distribution Mahavitaran 代码问题漏洞
CVE-2021-21951 Eufy Anker Eufy Homebase 缓冲区错误漏洞
CVE-2021-21950 Eufy Anker Eufy Homebase 缓冲区错误漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-125

V. Comments for CVE-2021-4048

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