An issue discovered in OpenWrt 18.06, 19.07, 21.02, 22.03, and beyond allows off-path attackers to hijack TCP sessions, which could lead to a denial of service, impersonating the client to the server (e.g., for access to files over FTP), and impersonating the server to the client (e.g., to deliver false information from a finance website). This occurs because nf_conntrack_tcp_no_window_check is true by default.
References
Configurations
No configuration.
History
21 Nov 2024, 08:00
Type | Values Removed | Values Added |
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References | () https://blog.apnic.net/2024/06/18/off-path-tcp-hijacking-in-nat-enabled-wi-fi-networks/ - | |
References | () https://news.ycombinator.com/item?id=40723150 - | |
References | () https://openwrt.org/docs/guide-developer/security - | |
References | () https://www.ndss-symposium.org/ndss-paper/exploiting-sequence-number-leakage-tcp-hijacking-in-nat-enabled-wi-fi-networks/ - |
07 Nov 2024, 12:35
Type | Values Removed | Values Added |
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CWE | CWE-203 | |
CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.3 |
19 Jun 2024, 04:15
Type | Values Removed | Values Added |
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References |
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Summary | (en) An issue discovered in OpenWrt 18.06, 19.07, 21.02, 22.03, and beyond allows off-path attackers to hijack TCP sessions, which could lead to a denial of service, impersonating the client to the server (e.g., for access to files over FTP), and impersonating the server to the client (e.g., to deliver false information from a finance website). This occurs because nf_conntrack_tcp_no_window_check is true by default. |
29 May 2024, 13:02
Type | Values Removed | Values Added |
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Summary |
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28 May 2024, 22:15
Type | Values Removed | Values Added |
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New CVE |
Information
Published : 2024-05-28 22:15
Updated : 2024-11-21 08:00
NVD link : CVE-2023-30312
Mitre link : CVE-2023-30312
CVE.ORG link : CVE-2023-30312
JSON object : View
Products Affected
No product.
CWE
CWE-203
Observable Discrepancy