{"id":"CVE-2025-2833","state":"PUBLISHED","title":"zhangyd-c OneBlog HTTP Header redos","description":"A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-03-27T04:00:05.554Z","updatedAt":"2025-03-27T13:41:47.915Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulDB"},"assigner":"VulDB","products":["zhangyd-c OneBlog"],"affected":[{"vendor":"zhangyd-c","product":"OneBlog","versions":[{"version":"2.3.0","status":"affected"},{"version":"2.3.1","status":"affected"},{"version":"2.3.2","status":"affected"},{"version":"2.3.3","status":"affected"},{"version":"2.3.4","status":"affected"},{"version":"2.3.5","status":"affected"},{"version":"2.3.6","status":"affected"},{"version":"2.3.7","status":"affected"},{"version":"2.3.8","status":"affected"},{"version":"2.3.9","status":"affected"}],"modules":["HTTP Header Handler"]}],"references":["https://vuldb.com/?id.301470","https://vuldb.com/?ctiid.301470","https://vuldb.com/?submit.521813","https://github.com/zhangyd-c/OneBlog/issues/35","https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214"],"weaknesses":["CWE-1333","CWE-400"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/2xxx/CVE-2025-2833.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-2833","state":"PUBLISHED","datePublished":"2025-03-27T04:00:05.554Z","dateUpdated":"2025-03-27T13:41:47.915Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-03-26T20:29:38.451Z"},"containers":{"cna":{"title":"zhangyd-c OneBlog HTTP Header redos","descriptions":[{"lang":"en","value":"A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Es wurde eine problematische Schwachstelle in zhangyd-c OneBlog bis 2.3.9 ausgemacht. Es betrifft eine unbekannte Funktion der Komponente HTTP Header Handler. Durch Manipulation des Arguments X-Forwarded-For mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"zhangyd-c","product":"OneBlog","versions":[{"version":"2.3.0","status":"affected"},{"version":"2.3.1","status":"affected"},{"version":"2.3.2","status":"affected"},{"version":"2.3.3","status":"affected"},{"version":"2.3.4","status":"affected"},{"version":"2.3.5","status":"affected"},{"version":"2.3.6","status":"affected"},{"version":"2.3.7","status":"affected"},{"version":"2.3.8","status":"affected"},{"version":"2.3.9","status":"affected"}],"modules":["HTTP Header Handler"]}],"references":[{"url":"https://vuldb.com/?id.301470","name":"VDB-301470 | zhangyd-c OneBlog HTTP Header redos","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.301470","name":"VDB-301470 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.521813","name":"Submit #521813 | https://github.com/zhangyd-c/OneBlog oneblog 2.3.9 redos","tags":["third-party-advisory"]},{"url":"https://github.com/zhangyd-c/OneBlog/issues/35","tags":["issue-tracking"]},{"url":"https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214","tags":["exploit","issue-tracking"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","type":"CWE","lang":"en","description":"Inefficient Regular Expression Complexity"}]},{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"Resource Consumption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-03-27T04:00:05.554Z"},"timeline":[{"time":"2025-03-26T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-03-26T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-03-26T21:34:41.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"s1mple_xy (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214","tags":["exploit"]},{"url":"https://github.com/zhangyd-c/OneBlog/issues/35","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-03-27T13:41:44.373363Z","id":"CVE-2025-2833","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-27T13:41:47.915Z"}}]}}}