CVE-2013-4223
CVSS5.0
发布时间 :2014-05-23 10:55:11
修订时间 :2017-08-28 21:33:36
NMCOS    

[原文]The Gentoo Nullmailer package before 1.11-r2 uses world-readable permissions for /etc/nullmailer/remotes, which allows local users to obtain SMTP authentication credentials by reading the file.


[CNNVD]Gentoo Linux nullmailer Package ‘/etc/nullmailer/remotes’不安全文件权限漏洞(CNNVD-201308-200)

        nullmailer是一款简单的转发(Relay-only)邮件传输代理。
        Gentoo Linux nullmailer数据包1.11-r2之前的版本中存在不安全文件权限漏洞。本地攻击者可通过获得对全局可读文件的访问权限利用该漏洞提取敏感信息,信息的获得有助于进一步攻击。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: NONE [对系统可用性无影响]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: NETWORK [攻击者不需要获取内网访问权或本地访问权]
身份认证: NONE [漏洞利用无需身份认证]

- CWE (弱点类目)

CWE-264 [权限、特权与访问控制]

- CPE (受影响的平台与产品)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4223
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4223
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-201308-200
(官方数据源) CNNVD

- 其它链接及资源

http://seclists.org/oss-sec/2013/q3/337
(UNKNOWN)  MLIST  [oss-security] 20130809 Re: CVE request: nullmailer world readable /etc/nullmailer/remotes
http://seclists.org/oss-sec/2013/q3/339
(UNKNOWN)  MLIST  [oss-security] 20130809 Re: CVE request: nullmailer world readable /etc/nullmailer/remotes
http://www.securityfocus.com/bid/61743
(UNKNOWN)  BID  61743
https://bugs.gentoo.org/show_bug.cgi?id=480376
(UNKNOWN)  CONFIRM  https://bugs.gentoo.org/show_bug.cgi?id=480376
https://exchange.xforce.ibmcloud.com/vulnerabilities/86384
(UNKNOWN)  XF  nullmailer-cve20134223-insecure-permissions(86384)

- 漏洞信息

Gentoo Linux nullmailer Package ‘/etc/nullmailer/remotes’不安全文件权限漏洞
权限许可和访问控制
2013-08-23 00:00:00 2013-08-23 00:00:00
本地  
        nullmailer是一款简单的转发(Relay-only)邮件传输代理。
        Gentoo Linux nullmailer数据包1.11-r2之前的版本中存在不安全文件权限漏洞。本地攻击者可通过获得对全局可读文件的访问权限利用该漏洞提取敏感信息,信息的获得有助于进一步攻击。

- 公告与补丁

        目前厂商已经发布了升级补丁以修复此安全问题,补丁获取链接:
        http://www.gentoo.org/

- 漏洞信息

96177
Multiple Linux /etc/nullmailer/remotes Permission Weakness Local SMTP Authentication Credential Disclosure
Local Access Required Cryptographic
Loss of Confidentiality Upgrade
Exploit Public Vendor Verified

- 漏洞描述

Gentoo Linux contains a flaw that may lead to the unauthorized disclosure of sensitive information. The issue is due to the program setting insecure world readable permissions for /etc/nullmailer/remotes. This may allow a local attacker to gain access to SMTP authentication credentials that are stored in plaintext.

- 时间线

2013-08-09 Unknow
2013-08-09 Unknow

- 解决方案

It has been reported that this issue has been fixed. Upgrade to Nullmailer-1.11-r2, or higher, to address this vulnerability.

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Gentoo Linux nullmailer Package '/etc/nullmailer/remotes' Insecure File Permissions Vulnerability
Design Error 61743
No Yes
2013-08-09 12:00:00 2013-08-09 12:00:00
redneb

- 受影响的程序版本

- 漏洞讨论

Gentoo Linux nullmailer package is prone to an insecure file-permission vulnerability.

A local attacker can exploit this issue by gaining access to a world-readable file and extracting sensitive information from it. Such information could aid in other attacks.

nullmailer versions prior to 1.11-r2 are vulnerable.

- 漏洞利用

Attackers can use readily available tools and standard commands to exploit this issue.

- 解决方案

Updates are available. Please see the references or vendor advisory for more information.

- 相关参考

 

 

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