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本地权限提升漏洞影响 needrestart 工具

Qualys 安全公告指出,needrestart 工具中存在多个本地权限提升漏洞(LPE),这些漏洞允许任何非特权用户获得 root 权限。needrestart 是一个 Perl 工具,自 Ubuntu Server 21.04 版本起默认安装,用于检查系统或服务是否需要重启。

主要漏洞包括:
1. CVE-2024-48990 和 CVE-2024-48992:攻击者可以通过控制 PYTHONPATH 或 RUBYLIB 环境变量,诱使 needrestart 运行 Python 或 Ruby 解释器,从而执行任意代码。
2. CVE-2024-48991
:攻击者可以通过竞争条件,诱使 needrestart 运行攻击者伪造的 Python 解释器。
3. CVE-2024-10224 和 CVE-2024-11003
:攻击者可以通过控制文件名,诱使 needrestart 调用 Perl 的 ScanDeps 模块时执行任意 shell 命令。

这些漏洞自 needrestart 0.8 版本(2014年4月)引入解释器支持以来就已存在。目前,Qualys 不会公开其利用代码,但警告其他研究人员可能会在协调发布后不久公开有效的利用方法。

缓解措施:

建议在 needrestart 配置中禁用解释器扫描功能:
$nrconf{interpscan} = 0;


原文链接:
Qualys Security Advisory

标签:
#安全漏洞 #Ubuntu #needrestart #LPE

#AIGC



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本地权限提升漏洞影响 needrestart 工具

Qualys 安全公告指出,needrestart 工具中存在多个本地权限提升漏洞(LPE),这些漏洞允许任何非特权用户获得 root 权限。needrestart 是一个 Perl 工具,自 Ubuntu Server 21.04 版本起默认安装,用于检查系统或服务是否需要重启。

主要漏洞包括:
1. CVE-2024-48990 和 CVE-2024-48992:攻击者可以通过控制 PYTHONPATH 或 RUBYLIB 环境变量,诱使 needrestart 运行 Python 或 Ruby 解释器,从而执行任意代码。
2. CVE-2024-48991
:攻击者可以通过竞争条件,诱使 needrestart 运行攻击者伪造的 Python 解释器。
3. CVE-2024-10224 和 CVE-2024-11003
:攻击者可以通过控制文件名,诱使 needrestart 调用 Perl 的 ScanDeps 模块时执行任意 shell 命令。

这些漏洞自 needrestart 0.8 版本(2014年4月)引入解释器支持以来就已存在。目前,Qualys 不会公开其利用代码,但警告其他研究人员可能会在协调发布后不久公开有效的利用方法。

缓解措施:

建议在 needrestart 配置中禁用解释器扫描功能:

$nrconf{interpscan} = 0;


原文链接:
Qualys Security Advisory

标签:
#安全漏洞 #Ubuntu #needrestart #LPE

#AIGC

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Telegram has gained a reputation as the “secure” communications app in the post-Soviet states, but whenever you make choices about your digital security, it’s important to start by asking yourself, “What exactly am I securing? And who am I securing it from?” These questions should inform your decisions about whether you are using the right tool or platform for your digital security needs. Telegram is certainly not the most secure messaging app on the market right now. Its security model requires users to place a great deal of trust in Telegram’s ability to protect user data. For some users, this may be good enough for now. For others, it may be wiser to move to a different platform for certain kinds of high-risk communications. False news often spreads via public groups, or chats, with potentially fatal effects. Pavel Durov, Telegram's CEO, is known as "the Russian Mark Zuckerberg," for co-founding VKontakte, which is Russian for "in touch," a Facebook imitator that became the country's most popular social networking site. As such, the SC would like to remind investors to always exercise caution when evaluating investment opportunities, especially those promising unrealistically high returns with little or no risk. Investors should also never deposit money into someone’s personal bank account if instructed. In this regard, Sebi collaborated with the Telecom Regulatory Authority of India (TRAI) to reduce the vulnerability of the securities market to manipulation through misuse of mass communication medium like bulk SMS.
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