Vulnerability-Lookup

GHSA-JMWH-VHGH-WQR7

Vulnerability from github – Published: 2022-05-24 17:48 – Updated: 2022-05-24 17:48

Details

A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to escalate privileges and write to the local filesystem as root. ethtraceroute is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run ethtraceroute with root privileges. This issue affects Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D240; 17.3 versions prior to 17.3R3-S11, 17.4 versions prior to 17.4R3-S4; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S7; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S1.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-0255"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-04-22T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to escalate privileges and write to the local filesystem as root. ethtraceroute is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run ethtraceroute with root privileges. This issue affects Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D240; 17.3 versions prior to 17.3R3-S11, 17.4 versions prior to 17.4R3-S4; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S7; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S1.",
  "id": "GHSA-jmwh-vhgh-wqr7",
  "modified": "2022-05-24T17:48:14Z",
  "published": "2022-05-24T17:48:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-0255"
    },
    {
      "type": "WEB",
      "url": "https://kb.juniper.net/JSA11175"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-0255 (GCVE-0-2021-0255)

Vulnerability from cvelistv5 – Published: 2021-04-22 19:37 – Updated: 2024-09-16 17:43

Title

Junos OS: ethtraceroute Local Privilege Escalation vulnerability in SUID binaries

Summary

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CWE

CWE-250 - Execution with Unnecessary Privileges

Assigner

juniper

References

1 reference

URL	Tags
https://kb.juniper.net/JSA11175	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Juniper Networks	Junos OS	Affected: 15.1X49 , < 15.1X49-D240 (custom) Affected: 17.3 , < 17.3R3-S11 (custom) Affected: 17.4 , < 17.4R3-S4 (custom) Affected: 18.1 , < 18.1R3-S12 (custom) Affected: 18.2 , < 18.2R3-S7 (custom) Affected: 18.3 , < 18.3R3-S4 (custom) Affected: 18.4 , < 18.4R2-S7 (custom) Affected: 19.1 , < 19.1R1-S6, 19.1R2-S2, 19.1R3-S4 (custom) Affected: 19.3 , < 19.3R3-S2 (custom) Affected: 19.4 , < 19.4R3-S1 (custom) Affected: 20.1 , < 20.1R2, 20.1R3 (custom) Affected: 20.2 , < 20.2R2-S1, 20.2R3 (custom) Affected: 20.3 , < 20.3R1-S1 (custom)

Date Public

2021-04-14 00:00

Credits

Juniper SIRT would like to acknowledge and thank Hoàng Thạch Nguyễn (d4rkn3ss) of STAR Labs for responsibly reporting this vulnerability.

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:32:10.536Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kb.juniper.net/JSA11175"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "product": "Junos OS",
          "vendor": "Juniper Networks",
          "versions": [
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              "status": "affected",
              "version": "15.1X49",
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              "lessThan": "17.3R3-S11",
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              "versionType": "custom"
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              "status": "affected",
              "version": "18.2",
              "versionType": "custom"
            },
            {
              "lessThan": "18.3R3-S4",
              "status": "affected",
              "version": "18.3",
              "versionType": "custom"
            },
            {
              "lessThan": "18.4R2-S7",
              "status": "affected",
              "version": "18.4",
              "versionType": "custom"
            },
            {
              "lessThan": "19.1R1-S6, 19.1R2-S2, 19.1R3-S4",
              "status": "affected",
              "version": "19.1",
              "versionType": "custom"
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              "status": "affected",
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              "versionType": "custom"
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            {
              "lessThan": "19.4R3-S1",
              "status": "affected",
              "version": "19.4",
              "versionType": "custom"
            },
            {
              "lessThan": "20.1R2, 20.1R3",
              "status": "affected",
              "version": "20.1",
              "versionType": "custom"
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      ],
      "exploits": [
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      "metrics": [
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        }
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          "lang": "en",
          "value": "The following software releases have been updated to resolve this specific issue: Junos OS 15.1X49-D240, 17.3R3-S11, 17.4R3-S4, 18.1R3-S12, 18.2R3-S7, 18.4R2-S7, 19.1R1-S6, 19.1R2-S2, 19.1R3-S4, 19.3R3-S2, 19.4R3-S1, 20.1R2, 20.1R3, 20.2R2-S1, 20.2R3, 20.3R1-S1, 21.1R1, and all subsequent releases.\n\nAs a proactive measure to tighten the security of other Ethernet OAM utilities, setuid was also removed from other binaries, including ethping, ethdm, ethslm and ethlm."
        }
      ],
      "source": {
        "advisory": "JSA11175",
        "defect": [
          "1529209"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Junos OS: ethtraceroute Local Privilege Escalation vulnerability in SUID binaries",
      "workarounds": [
        {
          "lang": "en",
          "value": "To reduce the risk of malicious exploitation, use access lists or firewall filters to limit CLI access to the device only from trusted, administrative networks or hosts.  Additionally, limit access to the Junos OS shell to only trusted system administrators."
        }
      ],
      "x_generator": {
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      },
      "x_legacyV4Record": {
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          "ASSIGNER": "sirt@juniper.net",
          "DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
          "ID": "CVE-2021-0255",
          "STATE": "PUBLIC",
          "TITLE": "Junos OS: ethtraceroute Local Privilege Escalation vulnerability in SUID binaries"
        },
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          }
        ]
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JMWH-VHGH-WQR7

CVE-2021-0255 (GCVE-0-2021-0255)

Tags

Sightings

Nomenclature