CVE-2013-6890
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.
Denyhosts是美国软件开发者Phil Schwartz所研发的一套用于Linux系统下阻止暴力破解SSH密码的软件。该软件可以自动拒绝多次数尝试SSH登录的IP地址、防止黑客对SSH密码进行穷举等。 Denyhosts 2.6版本中存在授权问题漏洞，该漏洞源于分析身份验证日志时程序使用错误的正则表达式。远程攻击者可借助登陆名利用该漏洞造成拒绝服务。
Public Exploits 1
ExploitDB · 1
EDB-38909 [dos]
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I. Basic Information for CVE-2013-6890
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
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
Denyhosts 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Denyhosts是美国软件开发者Phil Schwartz所研发的一套用于Linux系统下阻止暴力破解SSH密码的软件。该软件可以自动拒绝多次数尝试SSH登录的IP地址、防止黑客对SSH密码进行穷举等。 Denyhosts 2.6版本中存在授权问题漏洞，该漏洞源于分析身份验证日志时程序使用错误的正则表达式。远程攻击者可借助登陆名利用该漏洞造成拒绝服务。
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-2013-6890
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2013-6890 (3)
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https://bugzilla.redhat.com/show_bug.cgi?id=1045982 x_refsource_MISC
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Mailing List Discussions for CVE-2013-6890 (1)
Same Patch Batch · n/a · 2013-12-23 · 22 CVEs total
| CVE-2013-4405 | Red Hat Enterprise MRG 跨站请求伪造漏洞 | |
| CVE-2013-5973 | VMware ESXi 权限许可和访问控制漏洞 | |
| CVE-2013-2629 | Leed 输入验证漏洞 | |
| CVE-2013-6979 | Cisco IOS XE 授权问题漏洞 | |
| CVE-2013-6449 | OpenSSL 加密问题漏洞 | |
| CVE-2013-6439 | Red Hat 授权问题漏洞 | |
| CVE-2013-6422 | Haxx Libcurl GnuTLS 输入验证漏洞 | |
| CVE-2013-5420 | IBM Security Access Manager for Enterprise Single Sign-On 权限许可和访问控制漏洞 | |
| CVE-2013-4549 | Digia Qt QXmlSimpleReader类输入验证错误漏洞 | |
| CVE-2013-4461 | Red Hat Enterprise MRG Grid cumin SQL注入漏洞 | |
| CVE-2013-4414 | Red Hat Enterprise MRG 跨站脚本漏洞 | |
| CVE-2013-3709 | Novell WebYaST 权限许可和访问控制漏洞 | |
| CVE-2013-4404 | Red Hat Enterprise MRG Grid cumin 权限许可和访问控制问题漏洞 | |
| CVE-2013-7102 | WordPress OptimizePress主题‘media-upload.php’任意文件上传漏洞 | |
| CVE-2013-7081 | TYPO3 (old) Form Content Element 权限许可和访问控制漏洞 | |
| CVE-2013-7080 | TYPO3 Extension表管理库安全漏洞 | |
| CVE-2013-7079 | TYPO3 OpenID扩展开放重定向漏洞 | |
| CVE-2013-7075 | TYPO3 Content Editing Wizards组件加密问题漏洞 | |
| CVE-2013-7073 | TYPO3 Content Editing Wizards组件权限许可和访问控制漏洞 | |
| CVE-2013-7049 | ZNC for Windows 基于栈的缓冲区溢出漏洞 |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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