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CVE-2021-3549

Quick assessment

Affected
n/a binutils
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.

GNU Binutils（GNU Binary Utilities或binutils）是GNU社区的开发的一组编程语言工具程序。该程序主要用于处理多种格式的目标文件，并提供有连接器、汇编器和其他用于目标文件和档案的工具。 GNU binutils objdump 实用程序版本2.36中存在缓冲区错误漏洞，攻击者可利用该漏洞将一个较大的section传递给avr_elf32_load_records_from_section（），这可能会导致崩溃，或者在某些情况下导致内存损坏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.97% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3549

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
GNU Binutils 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Binutils（GNU Binary Utilities或binutils）是GNU社区的开发的一组编程语言工具程序。该程序主要用于处理多种格式的目标文件，并提供有连接器、汇编器和其他用于目标文件和档案的工具。 GNU binutils objdump 实用程序版本2.36中存在缓冲区错误漏洞，攻击者可利用该漏洞将一个较大的section传递给avr_elf32_load_records_from_section（），这可能会导致崩溃，或者在某些情况下导致内存损坏。
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 GNU binutils version 2.36 -

II. Public POCs for CVE-2021-3549

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III. Intelligence Information for CVE-2021-3549

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Vendor Advisories for CVE-2021-3549 (2)

Same Patch Batch · n/a · 2021-05-26 · 92 CVEs total

CVE-2021-29252 5.4 MEDIUM RSA Archer 跨站脚本漏洞
CVE-2021-29253 5.1 MEDIUM RSA Archer 安全漏洞
CVE-2021-22745 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22705 Schneider Electric 缓冲区错误漏洞
CVE-2021-22731 Schneider Electric 授权问题漏洞
CVE-2021-22735 Schneider Electric homeLYnk和spaceLYnk 数据伪造问题漏洞
CVE-2021-22733 Schneider Electric homeLYnk和spaceLYnk 安全漏洞
CVE-2021-22734 Schneider Electric spaceLYnk和homeLYnk 数据伪造问题漏洞
CVE-2021-22732 Schneider Electric homeLYnk和spaceLYnk 安全漏洞
CVE-2021-22742 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22743 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22744 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22740 Schneider Electric homeLYnk和spaceLYnk 信息泄露漏洞
CVE-2021-22746 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22747 Triconex Model 3009 MP 代码问题漏洞
CVE-2020-22021 FFmpeg 缓冲区错误漏洞
CVE-2021-25643 Couchbase Server 安全漏洞
CVE-2020-22024 FFmpeg 安全漏洞
CVE-2020-22026 FFmpeg 安全漏洞
CVE-2021-3548 dmg2img 缓冲区错误漏洞

Showing top 20 of 92 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: binutils
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2021-3549

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