{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-6534","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","state":"PUBLISHED","assignerShortName":"freebsd","dateReserved":"2023-12-05T19:03:31.535Z","datePublished":"2023-12-13T08:12:14.616Z","dateUpdated":"2025-02-13T17:26:26.737Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unknown","modules":["pf"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"lessThan":"p2","status":"affected","version":"14.0-RELEASE","versionType":"release"},{"lessThan":"p7","status":"affected","version":"13.2-RELEASE","versionType":"release"},{"lessThan":"p9","status":"affected","version":"12.4-RELEASE","versionType":"release"}]}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Yuxiang Yang, Ao Wang, Xuewei Feng, Qi Li and Ke Xu from Tsinghua University"}],"datePublic":"2023-12-05T22:00:00.000Z","descriptions":[{"lang":"en","value":"In versions of FreeBSD 14.0-RELEASE before 14-RELEASE-p2, FreeBSD 13.2-RELEASE before 13.2-RELEASE-p7 and FreeBSD 12.4-RELEASE before 12.4-RELEASE-p9, the pf(4) packet filter incorrectly validates TCP sequence numbers.  This could allow a malicious actor to execute a denial-of-service attack against hosts behind the firewall."}],"providerMetadata":{"orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd","dateUpdated":"2024-01-12T14:06:22.880Z"},"references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc"},{"url":"https://security.netapp.com/advisory/ntap-20240112-0007/"}],"source":{"discovery":"UNKNOWN"},"title":"TCP spoofing vulnerability in pf(4)","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:35:14.417Z"},"title":"CVE Program Container","references":[{"tags":["vendor-advisory","x_transferred"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc"},{"url":"https://security.netapp.com/advisory/ntap-20240112-0007/","tags":["x_transferred"]}]}]}}