FKIE_CVE-2023-26049

Vulnerability from fkie_nvd - Published: 2023-04-18 21:15 - Updated: 2024-11-21 07:50
Severity ?
2.4 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
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.
References
security-advisories@github.comhttps://github.com/eclipse/jetty.project/pull/9339Patch
security-advisories@github.comhttps://github.com/eclipse/jetty.project/pull/9352Patch
security-advisories@github.comhttps://github.com/eclipse/jetty.project/security/advisories/GHSA-p26g-97m4-6q7cPatch, Vendor Advisory
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2023/09/msg00039.htmlMailing List, Third Party Advisory
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20230526-0001/Third Party Advisory
security-advisories@github.comhttps://www.debian.org/security/2023/dsa-5507Third Party Advisory
security-advisories@github.comhttps://www.rfc-editor.org/rfc/rfc2965Technical Description
security-advisories@github.comhttps://www.rfc-editor.org/rfc/rfc6265Technical Description
af854a3a-2127-422b-91ae-364da2661108https://github.com/eclipse/jetty.project/pull/9339Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/eclipse/jetty.project/pull/9352Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/eclipse/jetty.project/security/advisories/GHSA-p26g-97m4-6q7cPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/09/msg00039.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230526-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5507Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.rfc-editor.org/rfc/rfc2965Technical Description
af854a3a-2127-422b-91ae-364da2661108https://www.rfc-editor.org/rfc/rfc6265Technical Description
Impacted products
Vendor Product Version
eclipse jetty *
eclipse jetty *
eclipse jetty *
eclipse jetty 12.0.0
eclipse jetty 12.0.0
eclipse jetty 12.0.0
debian debian_linux 10.0
debian debian_linux 11.0
debian debian_linux 12.0
netapp active_iq_unified_manager -
netapp active_iq_unified_manager -
netapp e-series_santricity_os_controller *
netapp e-series_santricity_unified_manager -
netapp e-series_santricity_web_services -
To clipboard 

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              "versionEndExcluding": "9.4.51",
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      "lang": "en",
      "value": "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."
    }
  ],
  "id": "CVE-2023-26049",
  "lastModified": "2024-11-21T07:50:39.640",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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