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CVE-2021-20294

Quick assessment

Affected
n/a binutils
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

binutils readelf是一个应用软件。显示有关一个或多个ELF格式对象文件的信息。 binutils readelf 2.35 program 存在缓冲区错误漏洞，攻击者可利用该漏洞如果能够说服受害者使用readelf读取精心制作的文件，就可能触发堆栈缓冲区溢出。

AI Predicted 8.6 Difficulty: Moderate EPSS 3.28% · P88

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-20294

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
binutils readelf 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
binutils readelf是一个应用软件。显示有关一个或多个ELF格式对象文件的信息。 binutils readelf 2.35 program 存在缓冲区错误漏洞，攻击者可利用该漏洞如果能够说服受害者使用readelf读取精心制作的文件，就可能触发堆栈缓冲区溢出。
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
- binutils binutils 2.35.2 -

II. Public POCs for CVE-2021-20294

# POC Description Source Link Shenlong Link
1 Simple CVE-2021-20294 poc https://github.com/tin-z/CVE-2021-20294-POC POC Details
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III. Intelligence Information for CVE-2021-20294

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Vendor Advisories for CVE-2021-20294 (2)

Mailing List Discussions for CVE-2021-20294 (2)

Other References for CVE-2021-20294 (1)

Same Patch Batch · n/a · 2021-04-29 · 54 CVEs total

CVE-2021-25812 China Mobile An Lianbao WF-1 命令注入漏洞
CVE-2020-18035 JEESNS 跨站脚本漏洞
CVE-2020-21452 uniview ISC2500-S 代码问题漏洞
CVE-2020-22807 vtiger crm SQL注入漏洞
CVE-2020-18032 Graphviz 安全漏洞
CVE-2020-21101 Screenly screenly-ose 跨站脚本漏洞
CVE-2020-22808 yii2_fecshop 跨站脚本漏洞
CVE-2021-30230 China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞
CVE-2021-30229 China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞
CVE-2021-30228 China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞
CVE-2021-30231 China Mobile An Lianbao WF-1 router 操作系统命令注入漏洞
CVE-2021-25811 MERCUSYS Mercury X18G 安全漏洞
CVE-2021-25810 Mercusys Mercury X18G 跨站脚本漏洞
CVE-2021-20228 Red Hat Ansible 信息泄露漏洞
CVE-2021-29350 发货100-设计素材下载系统 SQL注入漏洞
CVE-2021-30227 Emlog 跨站脚本漏洞
CVE-2021-28280 Phpfusion 跨站脚本漏洞
CVE-2021-30224 Rukovoditel 跨站请求伪造漏洞
CVE-2021-30219 samurai 代码问题漏洞
CVE-2021-30218 samurai 代码问题漏洞

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: binutils
Same vendor: n/a
Same weakness: CWE-787

V. Comments for CVE-2021-20294

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