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CVE-2011-1781

Quick assessment

Affected
n/a n/a
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.

SystemTap是一套Linux内核诊断工具。该工具允许从运行的Linux内核快速和安全的获取信息。 当无特权（又称stapusr）模式启用时，SystemTap 1.4版本中存在拒绝服务漏洞。loc2c.c的“translate()”函数中存在的零除错误导致产生此漏洞，本地用户可借助带有DWARF表达式的特制ELF程序导致拒绝服务（零除错误和OOPS），该表达式没有被执行栈回溯的stap脚本正确处理。

AI Predicted 5.6 Difficulty: Moderate EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2011-1781

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SystemTap 'translate()'函数零除错误拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SystemTap是一套Linux内核诊断工具。该工具允许从运行的Linux内核快速和安全的获取信息。 当无特权（又称stapusr）模式启用时，SystemTap 1.4版本中存在拒绝服务漏洞。loc2c.c的“translate()”函数中存在的零除错误导致产生此漏洞，本地用户可借助带有DWARF表达式的特制ELF程序导致拒绝服务（零除错误和OOPS），该表达式没有被执行栈回溯的stap脚本正确处理。
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
- n/a n/a -

II. Public POCs for CVE-2011-1781

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III. Intelligence Information for CVE-2011-1781

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Vendor Advisories for CVE-2011-1781 (5)

Mailing List Discussions for CVE-2011-1781 (1)

Other References for CVE-2011-1781 (1)

Same Patch Batch · n/a · 2011-08-29 · 37 CVEs total

CVE-2011-2823 Google Chrome线框处理释放后使用漏洞
CVE-2011-2562 Cisco Unified Communications Manager SIP INVITE消息拒绝服务漏洞
CVE-2011-2563 Cisco Intercompany Media Engine SAF报文处理拒绝服务漏洞
CVE-2011-2564 Cisco Intercompany Media Engine SAF报文处理拒绝服务漏洞
CVE-2011-2712 Apache Wicket跨站脚本攻击漏洞
CVE-2011-2746 Open Ticket Request System AdminPackageManager.pm文件泄露漏洞
CVE-2011-2806 Google Chrome顶点处理缓冲区错误漏洞
CVE-2011-2821 Google Chrome libxml2双重释放漏洞
CVE-2011-2822 Google Chrome URL解析混淆输入验证漏洞
CVE-2011-2561 Cisco Unified Communications Manager MTP配置拒绝服务漏洞
CVE-2011-2824 Google Chrome计数节点释放后使用漏洞
CVE-2011-2825 Google Chrome释放后使用漏洞
CVE-2011-2826 Google Chrome权限许可和访问控制问题漏洞
CVE-2011-2827 Google Chrome文本搜索释放后使用漏洞
CVE-2011-2828 Google Chrome V8缓冲区错误漏洞
CVE-2011-2829 Google Chrome统一数组整数溢出漏洞
CVE-2011-2839 Google Chrome PDF实现'memset()'拒绝服务漏洞
CVE-2011-3192 Apache HTTP Server拒绝服务漏洞
CVE-2011-3186 Ruby on Rails actionpack/lib/action_controller/response.rb CRLF注入漏洞
CVE-2011-0228 Apple iOS 'basicConstraints' X.509证书链验证漏洞

Showing top 20 of 37 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2011-1781

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