rhsa-2016:2603
Vulnerability from csaf_redhat
Published
2016-11-03 08:13
Modified
2024-11-22 10:12
Summary
Red Hat Security Advisory: libreswan security and bug fix update

Notes

Topic
An update for libreswan is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.
Details
Libreswan is an implementation of IPsec & 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). Security Fix(es): * A traffic amplification flaw was found in the Internet Key Exchange version 1 (IKEv1) protocol. A remote attacker could use a libreswan server with IKEv1 enabled in a network traffic amplification denial of service attack against other hosts on the network by sending UDP packets with a spoofed source address to that server. (CVE-2016-5361) Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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  "vulnerabilities": [
    {
      "cve": "CVE-2016-5361",
      "discovery_date": "2016-02-12T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1308508"
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          "category": "description",
          "text": "A traffic amplification flaw was found in the Internet Key Exchange version 1 (IKEv1) protocol. A remote attacker could use a libreswan server with IKEv1 enabled in a network traffic amplification denial of service attack against other hosts on the network by sending UDP packets with a spoofed source address to that server.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "IKEv1 protocol is vulnerable to DoS amplification attack",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is a protocol flaw which affects IKEv1. All complaint implementations are therefore affected by this flaw. Red Hat Product Security team, does not consider IKEv2 to be affected. For more details please refer to https://bugzilla.redhat.com/show_bug.cgi?id=1308508#c2",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "IKEv1 protocol is vulnerable to DoS amplification attack"
    }
  ]
}


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