跳转到帖子

Debian: CVE-2023-26049: jetty9 -- security update

recommended_posts

发布于
  • Members

Debian: CVE-2023-26049: jetty9 -- security update

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
04/18/2023
Created
10/03/2023
Added
10/02/2023
Modified
01/30/2025

Description

Jetty is a java based web server and servlet engine. Nonstandard cookie parsing in Jetty may allow an attacker to smuggle cookies within other cookies, or otherwise perform unintended behavior by tampering with the cookie parsing mechanism. If Jetty sees a cookie VALUE that starts with `"` (double quote), it will continue to read the cookie string until it sees a closing quote -- even if a semicolon is encountered. So, a cookie header such as: `DISPLAY_LANGUAGE="b; JSESSIONID=1337; c=d"` will be parsed as one cookie, with the name DISPLAY_LANGUAGE and a value of b; JSESSIONID=1337; c=d instead of 3 separate cookies. This has security implications because if, say, JSESSIONID is an HttpOnly cookie, and the DISPLAY_LANGUAGE cookie value is rendered on the page, an attacker can smuggle the JSESSIONID cookie into the DISPLAY_LANGUAGE cookie and thereby exfiltrate it. This is significant when an intermediary is enacting some policy based on cookies, so a smuggled cookie can bypass that policy yet still be seen by the Jetty server or its logging system. This issue has been addressed in versions 9.4.51, 10.0.14, 11.0.14, and 12.0.0.beta0 and users are advised to upgrade. There are no known workarounds for this issue.

Solution(s)

  • debian-upgrade-jetty9

References

  • https://attackerkb.com/topics/cve-2023-26049
  • CVE - 2023-26049
  • DLA-3592-1
  • DSA-5507-1
  • 查看数 695
  • 已创建
  • 最后回复

参与讨论

你可立刻发布并稍后注册。 如果你有帐户,立刻登录发布帖子。
注意:你的帖子需要版主批准后才能看到。

游客
回帖…