RVD#1488: The expansion of '\h' in the prompt string in bash 4.3 allows arbitrary code execution.

[mikekaram]

{
    "id": 1488,
    "title": "RVD#1488: The expansion of '\\h' in the prompt string in bash 4.3 allows arbitrary code execution.",
    "type": "vulnerability",
    "description": "The expansion of '\\h' in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in 'hostname' of a machine.",
    "cwe": "CWE-78",
    "cve": "CVE-2016-0634",
    "keywords": [
        "Universal Robots",
        "manipulation",
        "cobot",
        "CB 3.x"
    ],
    "system": "Universal Robots Robot Controllers CB 3.x",
    "vendor": "Universal Robots",
    "severity": {
        "rvss-score": 8.4,
        "rvss-vector": "RVSS:1.0/AV:RN/AC:H/PR:L/UI:N/Y:M/S:U/C:H/I:H/A:H/H:U",
        "severity-description": "High",
        "cvss-score": 7.5,
        "cvss-vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
    },
    "links": [
        "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-0634",
        "https://github.com/aliasrobotics/RVD/issues/1488"
    ],
    "flaw": {
        "phase": "runtime-operation",
        "specificity": "N/A",
        "architectural-location": "internal",
        "application": "bash",
        "subsystem": "N/A",
        "package": "bash 4.2+dfsg-0.1+deb7u3 i386",
        "languages": "None",
        "date-detected": null,
        "detected-by": "Victor Mayoral Vilches and Lander Usategui San Juan (Alias Robotics)",
        "detected-by-method": "N/A",
        "date-reported": "2020-04-03",
        "reported-by": "Alias Robotics S.L.",
        "reported-by-relationship": "security researcher",
        "issue": "https://github.com/aliasrobotics/RVD/issues/1488",
        "reproducibility": "always",
        "trace": "N/A",
        "reproduction": "N/A",
        "reproduction-image": "N/A"
    },
    "exploitation": {
        "description": "N/A",
        "exploitation-image": "N/A",
        "exploitation-vector": "N/A"
    },
    "mitigation": {
        "description": "sudo apt-get --assume-yes install --only-upgrade bash",
        "pull-request": null,
        "date-mitigation": null
    }
}