National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-5597 Detail

Description

In FreeBSD 11.3-PRERELEASE and 12.0-STABLE before r347591, 11.2-RELEASE before 11.2-RELEASE-p10, and 12.0-RELEASE before 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.

Source:  MITRE
Description Last Modified:  05/15/2019

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Hyperlink Resource
http://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.html
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:05.pf.asc
https://www.synacktiv.com/ressources/Synacktiv_OpenBSD_PacketFilter_CVE-2019-5597_ipv6_frag.pdf

Technical Details

Vulnerability Type (View All)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-5597
NVD Published Date:
05/15/2019
NVD Last Modified:
05/15/2019