CVE-2019-5597
FreeBSD pf IPv6 Fragment Reassembly Logic Remote Code Execution Denial of Service
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.
INFO
Published Date :
May 15, 2019, 4:29 p.m.
Last Modified :
June 11, 2019, 11:29 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-5597 has a 1 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-5597
.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2019-5597
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-5597
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 23, 2019
Action Type Old Value New Value Added Reference https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 11, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20190611-0001/ [No Types Assigned] -
CVE Modified by [email protected]
May. 21, 2019
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/108395 [No Types Assigned] -
Initial Analysis by [email protected]
May. 21, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Changed Reference Type https://security.FreeBSD.org/advisories/FreeBSD-SA-19:05.pf.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-19:05.pf.asc Patch, Vendor Advisory Changed Reference Type https://www.synacktiv.com/ressources/Synacktiv_OpenBSD_PacketFilter_CVE-2019-5597_ipv6_frag.pdf No Types Assigned https://www.synacktiv.com/ressources/Synacktiv_OpenBSD_PacketFilter_CVE-2019-5597_ipv6_frag.pdf Exploit, Third Party Advisory Changed Reference Type http://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.html No Types Assigned http://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.html Third Party Advisory, VDB Entry Added CWE CWE-20 Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p7:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.2:p9:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 15, 2019
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/152933/FreeBSD-Security-Advisory-FreeBSD-SA-19-05.pf.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-5597
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-5597
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
6.13 }} -1.27%
score
0.93690
percentile