FreeBSD Multiple Security Bypass Vulnerabilities

Bugtraq ID:	108395
Class:	Design Error
CVE:	CVE-2019-5597 CVE-2019-5598
Remote:	Yes
Local:	No
Published:	May 14 2019 12:00AM
Updated:	May 14 2019 12:00AM
Credit:	Synacktiv
Vulnerable:	FreeBSD Freebsd 12.0-RELEASE-p3 FreeBSD Freebsd 12.0-RELEASE p1 FreeBSD Freebsd 12.0 FreeBSD Freebsd 11.2-RELEASE-p9 FreeBSD Freebsd 11.2-RELEASE-p7 FreeBSD Freebsd 11.2-RELEASE-p6 FreeBSD Freebsd 11.2-RELEASE-p5 FreeBSD Freebsd 11.2-RELEASE-p2 FreeBSD Freebsd 11.2-RELEASE-p1 FreeBSD Freebsd 11.2-PRERELEASE FreeBSD Freebsd 11.2 FreeBSD Freebsd 11.0
Not Vulnerable:	FreeBSD Freebsd 12.0-STABLE FreeBSD Freebsd 11.3-PRERELEASE FreeBSD Freebsd 11.2-RELEASE-p10

FreeBSD Multiple Security Bypass Vulnerabilities

FreeBSD is prone to multiple security-bypass vulnerabilities.

Attackers can exploit these issues to bypass certain security restrictions and perform unauthorized actions. This may aid in further attacks.

FreeBSD Multiple Security Bypass Vulnerabilities

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

FreeBSD Multiple Security Bypass Vulnerabilities

Solution:
Updates are available. Please see the references or vendor advisory for more information.

FreeBSD Multiple Security Bypass Vulnerabilities

References:

• FreeBSD Homepage (FreeBSD)
  
• icmp-reachable (Synacktiv)
  
• CVE-2019-5597IPv6 fragmentation vulnerability in OpenBSD Packet Filter (Synacktiv)
  
• FreeBSD-SA-19:05.pf : IPv6 fragment reassembly panic in pf(4) (FreeBSD)
  
• FreeBSD-SA-19:06.pf: ICMP/ICMP6 packet filter bypass in pf (FreeBSD)
  
• Oracle Critical Patch Update Advisory - July 2019 (Oracle)