CVE-2011-2197

描述

The cross-site scripting (XSS) prevention feature in Ruby on Rails 2.x before 2.3.12, 3.0.x before 3.0.8, and 3.1.x before 3.1.0.rc2 does not properly handle mutation of safe buffers, which makes it easier for remote attackers to conduct XSS attacks via crafted strings to an application that uses a problematic string method, as demonstrated by the sub method.

如何修補 CVE-2011-2197

要修補 CVE-2011-2197,請將受影響套件升級到下列已修補版本。

• RubyGems/actionpack—升級至 2.3.12 或更新版本
• RubyGems/activesupport—升級至 2.3.12 或更新版本

CVE-2011-2197 正在被利用嗎?

低 — EPSS 為 2.0%,目前沒有觀察到大規模利用活動。

受影響套件(2)

• >= 2.0.0, < 2.3.12
• >= 2.0.0, < 2.3.12

參考連結(12)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2011-2197
• PATCHgithub.com/rails/rails
• WEBgroups.google.com/group/rubyonrails-security/msg/663b600d4471e0d4?dmode=source&output=gplain
• WEBlists.fedoraproject.org/pipermail/package-announce/2011-July/062514.html