Executive Summary

Summary
Title libreswan security and bug fix update
Informations
Name RHSA-2019:3391 First vendor Publication 2019-11-05
Vendor RedHat Last vendor Modification 2019-11-05
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:S/C:N/I:N/A:P)
Cvss Base Score 3.5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 6.8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for libreswan is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN).

The following packages have been upgraded to a later upstream version: libreswan (3.29). (BZ#1738853)

Security Fix(es):

* libreswan: vulnerability in the processing of IKEv1 informational packets due to missing integrity check (CVE-2019-10155)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1608353 - /usr/sbin/ipsec part of the libreswan packages still invokes commands that were deprecated a decade ago 1679394 - libreswan using NSS IPsec profiles regresses when critical flags are set causing validation failure 1683706 - Libreswan shows incorrect error messages 1699318 - 'ipsec show' has python3 invalid syntax 1706180 - Remove last usage of old (unused) PF_KEY API 1712555 - libreswan rebase to 3.29 1713734 - barf: shell syntax error in barf diagnostic tool 1714141 - CVE-2019-10155 libreswan: vulnerability in the processing of IKEv1 informational packets due to missing integrity check 1714331 - support NSS based IKE KDF's so libreswan does not need FIPS certification 1723957 - libreswan is missing linux audit calls for failed IKE SAs and failed IPsec SAs required for Common Criteria

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-3391.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-354 Improper Validation of Integrity Check Value

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 14
Application 114
Application 1
Os 2
Os 1

Alert History

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0
Date Informations
2020-03-19 13:19:31
  • First insertion