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Vulnerability Details : CVE-2019-5597

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.
Publish Date : 2019-05-15 Last Update Date : 2019-06-11
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar

- Products Affected By CVE-2019-5597

# Product Type Vendor Product Version Update Edition Language
1 OS Freebsd Freebsd 11.2 P9 Version Details Vulnerabilities
2 OS Freebsd Freebsd 11.2 P3 Version Details Vulnerabilities
3 OS Freebsd Freebsd 11.2 P4 Version Details Vulnerabilities
4 OS Freebsd Freebsd 11.2 P5 Version Details Vulnerabilities
5 OS Freebsd Freebsd 11.2 P6 Version Details Vulnerabilities
6 OS Freebsd Freebsd 11.2 - Version Details Vulnerabilities
7 OS Freebsd Freebsd 11.2 P7 Version Details Vulnerabilities
8 OS Freebsd Freebsd 11.2 P2 Version Details Vulnerabilities
9 OS Freebsd Freebsd 12.0 - Version Details Vulnerabilities
10 OS Freebsd Freebsd 12.0 P1 Version Details Vulnerabilities
11 OS Freebsd Freebsd 12.0 P3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freebsd Freebsd 11

- References For CVE-2019-5597 CONFIRM
BID 108395 FreeBSD Multiple Security Bypass Vulnerabilities Release Date:2019-07-17

- Metasploit Modules Related To CVE-2019-5597

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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