usn-5009-1
Vulnerability from osv_ubuntu
Published
2021-07-15 17:23
Modified
2026-04-27 14:11
Summary
libslirp vulnerabilities
Details

Qiuhao Li discovered that libslirp incorrectly handled certain header data lengths. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-29129, CVE-2020-29130)

It was discovered that libslirp incorrectly handled certain udp packets. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. (CVE-2021-3592, CVE-2021-3593, CVE-2021-3594, CVE-2021-3595)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-29129",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-29130",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3592",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3593",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3594",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3595",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libslirp0",
            "binary_version": "4.1.0-2ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libslirp",
        "purl": "pkg:deb/ubuntu/libslirp@4.1.0-2ubuntu2.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0-2ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.0-1",
        "4.0.0-2",
        "4.1.0-1",
        "4.1.0-2",
        "4.1.0-2ubuntu1",
        "4.1.0-2ubuntu2",
        "4.1.0-2ubuntu2.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Qiuhao Li discovered that libslirp incorrectly handled certain header data\nlengths. An attacker inside a guest could possibly use this issue to leak\nsensitive information from the host. This issue only affected Ubuntu 20.04\nLTS and Ubuntu 20.10. (CVE-2020-29129, CVE-2020-29130)\n\nIt was discovered that libslirp incorrectly handled certain udp packets. An\nattacker inside a guest could possibly use this issue to leak sensitive\ninformation from the host. (CVE-2021-3592, CVE-2021-3593, CVE-2021-3594,\nCVE-2021-3595)\n",
  "id": "USN-5009-1",
  "modified": "2026-04-27T14:11:27Z",
  "published": "2021-07-15T17:23:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5009-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-29129"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-29130"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3592"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3593"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3594"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3595"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libslirp vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-29129",
    "UBUNTU-CVE-2020-29130",
    "UBUNTU-CVE-2021-3592",
    "UBUNTU-CVE-2021-3593",
    "UBUNTU-CVE-2021-3594",
    "UBUNTU-CVE-2021-3595"
  ]
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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