CVE-2003-0693
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.
OpenSSH是一种开放源码的SSH协议的实现，初始版本用于OpenBSD平台，现在已经被移植到多种Unix/Linux类操作系统下。 3.7版本之前的OpenSSH包含一个缓冲区管理错误，远程攻击者可能利用这个漏洞进行拒绝服务或者可能以OpenSSH进程权限在系统上执行任意指令。 当OpenSSH接收到一个长度超过已分配缓冲区大小的数据包时会试图重新分配一块大的内存，这时记录当前缓冲区大小的变量值会相应增加，新长度值会被检查是否符合要求，如果检查失败会调用fatal()来清理并退出，在某些情况下，执行清
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I. Basic Information for CVE-2003-0693
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A "buffer management error" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to execute arbitrary code by causing an incorrect amount of memory to be freed and corrupting the heap, a different vulnerability than CVE-2003-0695.
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
OpenSSH缓冲区管理操作远程溢出漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSH是一种开放源码的SSH协议的实现，初始版本用于OpenBSD平台，现在已经被移植到多种Unix/Linux类操作系统下。 3.7版本之前的OpenSSH包含一个缓冲区管理错误，远程攻击者可能利用这个漏洞进行拒绝服务或者可能以OpenSSH进程权限在系统上执行任意指令。 当OpenSSH接收到一个长度超过已分配缓冲区大小的数据包时会试图重新分配一块大的内存，这时记录当前缓冲区大小的变量值会相应增加，新长度值会被检查是否符合要求，如果检查失败会调用fatal()来清理并退出，在某些情况下，执行清
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 | - |
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II. Public POCs for CVE-2003-0693
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2003-0693 (7)
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http://www.mandriva.com/security/advisories?name=MDKSA-2003:090 vendor-advisory x_refsource_MANDRAKE
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A447 vdb-entry signature x_refsource_OVAL
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2719 vdb-entry signature x_refsource_OVAL
Mailing List Discussions for CVE-2003-0693 (7)
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http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010103.html mailing-list x_refsource_FULLDISC
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http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010146.html mailing-list x_refsource_FULLDISC
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Other References for CVE-2003-0693 (2)
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http://www.openssh.com/txt/buffer.adv x_refsource_CONFIRM
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http://sunsolve.sun.com/search/document.do?assetkey=1-77-1000620.1-1 vendor-advisory x_refsource_SUNALERT
IV. Related Vulnerabilities
V. Comments for CVE-2003-0693
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