rhsa-2024_8357
Vulnerability from csaf_redhat
Published
2024-10-23 10:08
Modified
2024-11-21 18:35
Summary
Red Hat Security Advisory: NetworkManager-libreswan security update

Notes

Topic
An update for NetworkManager-libreswan is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. 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
This package contains software for integrating the libreswan VPN software with NetworkManager and the GNOME desktop Security Fix(es): * NetworkManager-libreswan: Local privilege escalation via leftupdown (CVE-2024-9050) 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.
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-2024-9050",
      "cwe": {
        "id": "CWE-94",
        "name": "Improper Control of Generation of Code (\u0027Code Injection\u0027)"
      },
      "discovery_date": "2024-09-19T00:00:00+00:00",
      "ids": [
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          "text": "2313828"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the libreswan client plugin for NetworkManager (NetkworkManager-libreswan), where it fails to properly sanitize the VPN configuration from the local unprivileged user. In this configuration, composed by a key-value format, the plugin fails to escape special characters, leading the application to interpret values as keys. One of the most critical parameters that could be abused by a malicious user is the `leftupdown`key. This key takes an executable command as a value and is used to specify what executes as a callback in NetworkManager-libreswan to retrieve configuration settings back to NetworkManager. As NetworkManager uses Polkit to allow an unprivileged user to control the system\u0027s network configuration, a malicious actor could achieve local privilege escalation and potential code execution as root in the targeted machine by creating a malicious configuration.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "NetworkManager-libreswan: Local privilege escalation via leftupdown",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue marked with an Important severity due to its potential to enable local privilege escalation and arbitrary code execution. Since NetworkManager uses Polkit to allow unprivileged users to manage network configurations, the failure to properly sanitize the VPN configuration, particularly the `leftupdown` key, creates a direct attack vector. By leveraging this vulnerability, an attacker can inject malicious commands into the VPN configuration, bypassing user privilege boundaries and gaining root access.",
          "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": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-9050"
        },
        {
          "category": "external",
          "summary": "RHBZ#2313828",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2313828"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-9050",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-9050"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-9050",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9050"
        }
      ],
      "release_date": "2024-10-22T12:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-10-23T10:08:19+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": [
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.src",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.x86_64",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.x86_64",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:8357"
        },
        {
          "category": "workaround",
          "details": "A mitigation for this issue is either unavailable or the existing options do not meet Red Hat Product Security\u0027s standards for ease of use, deployment, widespread applicability, or stability. \n\nOne potential approach is to prevent local users from controlling networking through polkit. However, this would also block them from connecting to new Wi-Fi networks, which is not ideal for laptops but might be acceptable for workstations. Server customers typically don\u0027t need to be concerned, as they generally don\u0027t have local users capable of exploiting the bug.",
          "product_ids": [
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.src",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.x86_64",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.x86_64",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.src",
            "7Server-ELS:NetworkManager-libreswan-0:1.2.4-4.el7_9.x86_64",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-debuginfo-0:1.2.4-4.el7_9.x86_64",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.ppc64",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.ppc64le",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.s390x",
            "7Server-ELS:NetworkManager-libreswan-gnome-0:1.2.4-4.el7_9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "NetworkManager-libreswan: Local privilege escalation via leftupdown"
    }
  ]
}


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