{
    "id": "CVE-2008-3655",
    "published": "2008-08-13 01:41:00",
    "last_modified": "2026-06-16 22:56:14",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-264",
    "description": "Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not properly restrict access to critical variables and methods at various safe levels, which allows context-dependent attackers to bypass intended access restrictions via (1) untrace_var, (2) $PROGRAM_NAME, and (3) syslog at safe level 4, and (4) insecure methods at safe levels 1 through 3.",
    "epss_score": "0.14085",
    "epss_percentile": "0.96461",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "ruby-lang",
            "product": "ruby"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "32223",
            "title": "Ruby 1.9 dl - Module DL.dlopen Arbitrary Library Access",
            "date": "2008-08-11",
            "url": "https://www.exploit-db.com/exploits/32223"
        },
        {
            "source": "exploit-db",
            "ref_id": "32224",
            "title": "Ruby 1.9 - Safe Level Multiple Function Restriction Bypass",
            "date": "2008-08-11",
            "url": "https://www.exploit-db.com/exploits/32224"
        }
    ],
    "refs_list": [
        "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401",
        "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html",
        "http://secunia.com/advisories/31430",
        "http://secunia.com/advisories/31697",
        "http://secunia.com/advisories/32165",
        "http://secunia.com/advisories/32219",
        "http://secunia.com/advisories/32255",
        "http://secunia.com/advisories/32256",
        "http://secunia.com/advisories/32371",
        "http://secunia.com/advisories/32372",
        "http://secunia.com/advisories/33178",
        "http://secunia.com/advisories/35074",
        "http://security.gentoo.org/glsa/glsa-200812-17.xml",
        "http://support.apple.com/kb/HT3549",
        "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm",
        "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264",
        "http://www.debian.org/security/2008/dsa-1651",
        "http://www.debian.org/security/2008/dsa-1652",
        "http://www.redhat.com/support/errata/RHSA-2008-0895.html",
        "http://www.redhat.com/support/errata/RHSA-2008-0897.html",
        "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/",
        "http://www.securityfocus.com/archive/1/495884/100/0/threaded",
        "http://www.securityfocus.com/bid/30644",
        "http://www.securitytracker.com/id?1020656",
        "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
    ]
}