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CVE-2009-5023

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.

Fail2ban是软件开发者Cyril Jaquier所研发的一套基于Python的IP自动屏蔽工具。该工具可对系统日志进行监视，发现异常IP信息自动调用防火墙进行屏蔽，并发送E-mail通知系统管理员。 Fail2ban 0.8.5之前版本的action.d/ URI中存在安全漏洞，该漏洞源于dshield，mail-buffered.conf，mynetwatchman，mynetwatchman操作使用不安全的临时文件。本地攻击者可通过对临时文件实施符号链接攻击利用该漏洞写任意文件。

AI Predicted 5.5 Difficulty: Easy EPSS 0.34% · P27
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I. Basic Information for CVE-2009-5023

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.
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
Fail2ban 本地权限提升漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fail2ban是软件开发者Cyril Jaquier所研发的一套基于Python的IP自动屏蔽工具。该工具可对系统日志进行监视，发现异常IP信息自动调用防火墙进行屏蔽，并发送E-mail通知系统管理员。 Fail2ban 0.8.5之前版本的action.d/ URI中存在安全漏洞，该漏洞源于dshield，mail-buffered.conf，mynetwatchman，mynetwatchman操作使用不安全的临时文件。本地攻击者可通过对临时文件实施符号链接攻击利用该漏洞写任意文件。
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-2009-5023

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III. Intelligence Information for CVE-2009-5023

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Vendor Advisories for CVE-2009-5023 (3)

Other References for CVE-2009-5023 (1)

Same Patch Batch · n/a · 2014-06-10 · 13 CVEs total

CVE-2014-3042 IBM CICS Transaction Server for z/OS 缓冲区溢出漏洞
CVE-2014-3287 Cisco Unified Communications Manager SQL注入漏洞
CVE-2014-3289 Cisco AsyncOS 跨站脚本漏洞
CVE-2014-3292 Cisco Unified Communications Manager RTMT 输入验证漏洞
CVE-2014-3294 Cisco WebEx Meeting Server 权限许可和访问控制漏洞
CVE-2013-6825 Offis DCMTK 安全漏洞
CVE-2014-0220 Cloudera Manager 安全漏洞
CVE-2014-3216 Gretech GOM Media Player 安全漏洞
CVE-2014-3465 GnuTLS ‘gnutls_x509_dn_oid_name’函数安全漏洞
CVE-2014-3873 FreeBSD kernel 内存泄露漏洞
CVE-2014-3880 FreeBSD kernel 安全漏洞
CVE-2014-4017 WordPress Conversion Ninja Plugin‘id’参数跨站脚本漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2009-5023

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