Bugzilla – Bug 1210621
VUL-0: CVE-2023-26049: jetty-minimal,jetty-websocket: Cookie parsing of quoted values can exfiltrate values from other cookies
Last modified: 2024-05-06 12:33:19 UTC
CVE-2023-26049 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: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-26049 https://www.cve.org/CVERecord?id=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/security/advisories/GHSA-p26g-97m4-6q7c https://www.rfc-editor.org/rfc/rfc2965 https://www.rfc-editor.org/rfc/rfc6265
Affected: - SUSE:SLE-15-SP2:Update/jetty-minimal 9.4.48 - SUSE:SLE-15-SP2:Update/jetty-websocket 9.4.48 - openSUSE:Factory/jetty-minimal 9.4.48 - openSUSE:Factory/jetty-unixsocket 9.4.48 - openSUSE:Factory/jetty-websocket 9.4.48
SUSE-SU-2023:2539-1: An update that solves two vulnerabilities can now be installed. Category: security (moderate) Bug References: 1210620, 1210621 CVE References: CVE-2023-26048, CVE-2023-26049 Sources used: openSUSE Leap 15.4 (src): jetty-minimal-9.4.51-150200.3.19.2 openSUSE Leap 15.5 (src): jetty-minimal-9.4.51-150200.3.19.2 Development Tools Module 15-SP4 (src): jetty-minimal-9.4.51-150200.3.19.2 Development Tools Module 15-SP5 (src): jetty-minimal-9.4.51-150200.3.19.2 SUSE Linux Enterprise Real Time 15 SP3 (src): jetty-minimal-9.4.51-150200.3.19.2 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
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