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9.1
CVSSv3

CVE-2019-5597

Published: 15/05/2019 Updated: 11/06/2019
CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10
CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9
VMScore: 571
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P
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Vulnerability Summary

In FreeBSD 11.3-PRERELEASE and 12.0-STABLE before r347591, 11.2-RELEASE prior to 11.2-RELEASE-p10, and 12.0-RELEASE prior to 12.0-RELEASE-p4, a bug in the pf IPv6 fragment reassembly logic incorrectly uses the last extension header offset from the last received packet instead of the first packet allowing maliciously crafted IPv6 packets to cause a crash or potentially bypass the packet filter.

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freebsd freebsd 11.2

freebsd freebsd 12.0

References

CWE-20https://www.synacktiv.com/ressources/Synacktiv_OpenBSD_PacketFilter_CVE-2019-5597_ipv6_frag.pdfhttps://security.FreeBSD.org/advisories/FreeBSD-SA-19:05.pf.aschttp://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.htmlhttp://www.securityfocus.com/bid/108395https://security.netapp.com/advisory/ntap-20190611-0001/https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlhttps://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
brute forceCVE-2024-24908open redirectCVE-2024-31497CVE-2023-45866CVE-2024-4135CVE-2024-25523cache poisoningCVE-2024-4649
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