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5
CVSSv2

CVE-2019-18625

Published: 06/01/2020 Updated: 01/02/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

An issue exists in Suricata 5.0.0. It was possible to bypass/evade any tcp based signature by faking a closed TCP session using an evil server. After the TCP SYN packet, it is possible to inject a RST ACK and a FIN ACK packet with a bad TCP Timestamp option. The client will ignore the RST ACK and the FIN ACK packets because of the bad TCP Timestamp option. Both linux and windows client are ignoring the injected packets.

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suricata-ids suricata 5.0.0

debian debian linux 8.0

References

NVD-CWE-noinfohttps://github.com/OISF/suricata/commit/9f0294fadca3dcc18c919424242a41e01f3e8318https://github.com/OISF/suricata/commit/ea0659de7640cf6a51de5bbd1dbbb0414e4623a0https://redmine.openinfosecfoundation.org/issues/3395https://redmine.openinfosecfoundation.org/issues/3286https://lists.debian.org/debian-lts-announce/2020/01/msg00032.htmlhttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-2907hardcodedinjectCVE-2024-20359CVE-2024-2467CVE-2024-4077CVE-2024-22391cameraCVE-2024-20353
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