Описание
Eclipse Jetty's cookie parsing of quoted values can exfiltrate values from other cookies
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.
Impact
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.
Patches
- 9.4.51.v20230217 - via PR #9352
- 10.0.15 - via PR #9339
- 11.0.15 - via PR #9339
Workarounds
No workarounds
References
Ссылки
- https://github.com/eclipse/jetty.project/security/advisories/GHSA-p26g-97m4-6q7c
- https://nvd.nist.gov/vuln/detail/CVE-2023-26049
- https://github.com/eclipse/jetty.project/pull/9339
- https://github.com/eclipse/jetty.project/pull/9352
- https://github.com/eclipse/jetty.project/releases/tag/jetty-9.4.51.v20230217
- https://lists.debian.org/debian-lts-announce/2023/09/msg00039.html
- https://security.netapp.com/advisory/ntap-20230526-0001
- https://www.debian.org/security/2023/dsa-5507
- https://www.rfc-editor.org/rfc/rfc2965
- https://www.rfc-editor.org/rfc/rfc6265
Пакеты
org.eclipse.jetty:jetty-server
< 9.4.51.v20230217
9.4.51.v20230217
org.eclipse.jetty:jetty-server
>= 10.0.0, < 10.0.14
10.0.14
org.eclipse.jetty:jetty-server
>= 11.0.0, < 11.0.14
11.0.14
org.eclipse.jetty:jetty-server
>= 12.0.0alpha0, < 12.0.0.beta0
12.0.0.beta0
Связанные уязвимости
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 po...
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 po...
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 polic
Jetty is a java based web server and servlet engine. Nonstandard cooki ...
Уязвимость контейнера сервлетов Eclipse Jetty, связанная с ошибками проверки синтаксической корректности ввода, позволяющая нарушителю внедрить одни cookies внутрь других и повлиять на их обработку