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CVE-2003-0743

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Exim[1]是一款流行的EMAIL服务器(MTA)。 Exim没有正确处理畸形EHLO/HELO消息，远程攻击者可以利用这个漏洞对Exim服务器进行基于堆的破坏，可导致拒绝服务攻击。 问题存在于exim-4.20/src/smtp_in.c中： if (smtp_data == 0) Ustrcpy(smtp_data， "(no argument given)"); 'smtp_data'是指向513字节的'cmd_buffer'堆缓冲区。精心构建HELO或者EHLO命令可以使'smtp_data

AI Predicted 7.8 Difficulty: Easy EPSS 5.65% · P93
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I. Basic Information for CVE-2003-0743

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in smtp_in.c for Exim 3 (exim3) before 3.36 and Exim 4 (exim4) before 4.21 may allow remote attackers to execute arbitrary code via an invalid (1) HELO or (2) EHLO argument with a large number of spaces followed by a NULL character and a newline, which is not properly trimmed before the "(no argument given)" string is appended to the buffer.
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
Exim畸形EHLO/HELO命令远程堆破坏漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Exim[1]是一款流行的EMAIL服务器(MTA)。 Exim没有正确处理畸形EHLO/HELO消息，远程攻击者可以利用这个漏洞对Exim服务器进行基于堆的破坏，可导致拒绝服务攻击。 问题存在于exim-4.20/src/smtp_in.c中： if (*smtp_data == 0) Ustrcpy(smtp_data， "(no argument given)"); 'smtp_data'是指向513字节的'cmd_buffer'堆缓冲区。精心构建HELO或者EHLO命令可以使'*smtp_data
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-2003-0743

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III. Intelligence Information for CVE-2003-0743

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Vendor Advisories for CVE-2003-0743 (1)

Mailing List Discussions for CVE-2003-0743 (2)

Other References for CVE-2003-0743 (5)

Same Patch Batch · n/a · 2003-09-06 · 15 CVEs total

CVE-2003-0744 Leafnode fetchnews远程拒绝服务攻击漏洞
CVE-2003-0745 Castle Rock Computing SNMPc v5/v6未授权远程访问漏洞
CVE-2003-0746 分布式计算环境(DCE)服务拒绝漏洞
CVE-2003-0747 SAP Internet Transaction Server远程信息泄露漏洞
CVE-2003-0748 SAP Internet Transaction Server远程目录遍历漏洞
CVE-2003-0749 SAP Internet Transaction Server跨站脚本执行漏洞
CVE-2003-0750 PY-Membres漏洞
CVE-2003-0751 PY-Membres SQL注入漏洞
CVE-2003-0752 global.php3 of AttilaPHP SQL注入漏洞
CVE-2003-0753 newsPHP nphpd.php漏洞
CVE-2003-0754 newsPHP nphpd.php漏洞
CVE-2003-0755 gtkftpd缓冲区溢出漏洞
CVE-2003-0756 SiteBuilder目录遍历漏洞
CVE-2003-0757 Check Point Firewall-1 SecuRemote内部接口地址信息泄露漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2003-0743

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