csaf_redhat - rhsa-2024

rhsa-2024_4417

Vulnerability from csaf_redhat

Published

2024-07-09 10:02

Modified

2024-11-21 21:12

Summary

Red Hat Security Advisory: libreswan security update

Notes

Topic

An update for libreswan is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. 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 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). Security Fix(es): * libreswan: IKEv1 default AH/ESP responder can crash and restart (CVE-2024-3652) 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.

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-2024-3652",
      "cwe": {
        "id": "CWE-617",
        "name": "Reachable Assertion"
      },
      "discovery_date": "2024-04-11T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2274448"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Libreswan, where it was identified to contain an assertion failure issue in the compute_proto_keymat() function. The vulnerability can be exploited when an IKEv1 connection is loaded with an AH/ESP default setting when no esp= line is present in the connection. This flaw allows an authenticated attacker to send the bogus AES-GMAC proposal request, triggering the issue and causing Libreswan to crash and restart. When this connection is automatically added on startup using the auto= keyword, it can cause repeated crashes, leading to a denial of service. No remote code execution is possible.",
          "title": "Vulnerability description"
        },
        {
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          "text": "libreswan: IKEv1 default AH/ESP responder can crash and restart",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The CVE-2024-3652 vulnerability in Libreswan is classified as a moderate severity issue due to its limited scope and impact. While the vulnerability can lead to Denial of Service (DoS) by causing the Libreswan service to crash and restart, it does not allow for Remote Code Execution or expose sensitive data. Additionally, the exploitation of this vulnerability requires specific conditions to be met: an IKEv1 connection loaded without an esp= line and the peer to have authenticated itself. Furthermore, IKEv2 connections are not vulnerable to this issue.",
          "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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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-3652",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-3652"
        },
        {
          "category": "external",
          "summary": "https://libreswan.org/security/CVE-2024-3652",
          "url": "https://libreswan.org/security/CVE-2024-3652"
        }
      ],
      "release_date": "2024-04-15T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-07-09T10:02:47+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-8.6.0.Z.AUS:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.AUS:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.AUS:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.AUS:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-debuginfo-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-debugsource-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.TUS:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:4417"
        },
        {
          "category": "workaround",
          "details": "An esp= line using a common IKEv1 algorithm list can be added to all IKEv1 based connections. An example of such an esp= line could be:\n~~~\nesp=aes-sha2_512,aes-sha1,aes-sha2_256,aes-md5,3des-sha1,3des-md5\n~~~",
          "product_ids": [
            "AppStream-8.6.0.Z.AUS:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.AUS:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.AUS:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.AUS:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-debuginfo-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-debugsource-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.TUS:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.6.0.Z.AUS:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.AUS:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.AUS:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.AUS:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.E4S:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-debuginfo-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.E4S:libreswan-debugsource-0:4.5-1.el8_6.3.ppc64le",
            "AppStream-8.6.0.Z.E4S:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-0:4.5-1.el8_6.3.src",
            "AppStream-8.6.0.Z.TUS:libreswan-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-debuginfo-0:4.5-1.el8_6.3.x86_64",
            "AppStream-8.6.0.Z.TUS:libreswan-debugsource-0:4.5-1.el8_6.3.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libreswan: IKEv1 default AH/ESP responder can crash and restart"
    }
  ]
}

cve-2024-3652

Vulnerability from cvelistv5

Published

2024-04-11 01:32

Modified

2024-10-29 17:34

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

IKEv1 default AH/ESP responder can cause libreswan to abort and restart

References

▼	URL	Tags
	https://libreswan.org/security/CVE-2024-3652	vendor-advisory
	http://www.openwall.com/lists/oss-security/2024/04/18/2

Impacted products

▼	Vendor	Product
	The Libreswan Project (www.libreswan.org)	libreswan

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "libreswan",
            "vendor": "libreswan",
            "versions": [
              {
                "lessThanOrEqual": "4.14",
                "status": "affected",
                "version": "3.22",
                "versionType": "semver"
              },
              {
                "status": "unaffected",
                "version": "5.0"
              },
              {
                "status": "unaffected",
                "version": "4.15"
              },
              {
                "lessThanOrEqual": "3.21",
                "status": "unaffected",
                "version": "3.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-3652",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-11T17:26:47.015453Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-404",
                "description": "CWE-404 Improper Resource Shutdown or Release",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-29T17:34:37.575Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T20:19:59.933Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "CVE-2024-3652",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://libreswan.org/security/CVE-2024-3652"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/04/18/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "libreswan",
          "vendor": "The Libreswan Project (www.libreswan.org)",
          "versions": [
            {
              "lessThanOrEqual": "4.14",
              "status": "affected",
              "version": "3.22",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.0"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "The vulnerability can only be triggered for connections with ikev2=no that do not specify an esp= option."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "github user X1AOxiang"
        }
      ],
      "datePublic": "2024-04-12T21:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan\u0027s default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "IKEv1 with default AH/ESP configuration can cause libreswan to abort and restart",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-04-11T01:32:13.433Z",
        "orgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
        "shortName": "libreswan"
      },
      "references": [
        {
          "name": "CVE-2024-3652",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://libreswan.org/security/CVE-2024-3652"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/04/18/2"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "This issue is fixed in 4.15 and all later versions."
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-03-24T00:00:00.000Z",
          "value": "Issue reported publicly by github user X1AOxiang via https://github.com/libreswan/libreswan/issues/1665"
        },
        {
          "lang": "en",
          "time": "2024-03-27T00:00:00.000Z",
          "value": "Fix published in commit 03caa63de1e3 (as issue was already public via githb issue)"
        },
        {
          "lang": "en",
          "time": "2024-04-10T00:00:00.000Z",
          "value": "Advanced notice given to support customers and distributions"
        },
        {
          "lang": "en",
          "time": "2024-04-12T00:00:00.000Z",
          "value": "CVE-2024-3652 published"
        }
      ],
      "title": "IKEv1 default AH/ESP responder can cause libreswan to abort and restart",
      "workarounds": [
        {
          "lang": "en",
          "value": "As a workaround, adding an esp= line to all IKEv1 connections works around the issue. An example covering most common default configurations would be: esp=aes-sha2_512,aes-sha1,aes-sha2_256,aes-md5,3des-sha1,3des-md5. "
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
    "assignerShortName": "libreswan",
    "cveId": "CVE-2024-3652",
    "datePublished": "2024-04-11T01:32:13.433Z",
    "dateReserved": "2024-04-11T01:28:41.331Z",
    "dateUpdated": "2024-10-29T17:34:37.575Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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