CVE-2025-2833

zhangyd-c OneBlog HTTP Header redos

State: Published
Severity: 6.9 Medium
Published: Mar 27, 2025
Updated: Mar 27, 2025
Reserved: Mar 26, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P	VulDB

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity
CWE-400 Resource Consumption

Affected Products

Product	Versions
OneBlogzhangyd-c	2.3.0Affected 2.3.1Affected 2.3.2Affected 2.3.3Affected 2.3.4Affected 2.3.5Affected 2.3.6Affected 2.3.7Affected 2.3.8Affected 2.3.9Affected

References

VDB-301470 | zhangyd-c OneBlog HTTP Header redosvdb-entrytechnical-description
VDB-301470 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #521813 | https://github.com/zhangyd-c/OneBlog oneblog 2.3.9 redosthird-party-advisory
https://github.com/zhangyd-c/OneBlog/issues/35issue-tracking
https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214exploitissue-tracking

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