{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "n/a",
                    "vendor": "n/a",
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                        {
                            "status": "affected",
                            "version": "n/a"
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                    ]
                }
            ],
            "datePublic": "2011-02-04T00:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does not initialize the nonce field, which might allow remote attackers to obtain sensitive stack memory contents or make it easier to conduct hash collision attacks."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "n/a",
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                            "type": "text"
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                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2017-08-16T14:57:01.000Z",
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat"
            },
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                    "name": "[oss-security] 20110204 Re: [vendor-sec] OpenSSH security advisory: legacy certificate signing in 5.6/5.7",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2011/02/04/2"
                },
                {
                    "name": "1025028",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_SECTRACK"
                    ],
                    "url": "http://www.securitytracker.com/id?1025028"
                },
                {
                    "name": "46155",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_BID"
                    ],
                    "url": "http://www.securityfocus.com/bid/46155"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673"
                },
                {
                    "name": "ADV-2011-0284",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_VUPEN"
                    ],
                    "url": "http://www.vupen.com/english/advisories/2011/0284"
                },
                {
                    "name": "43181",
                    "tags": [
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                        "x_refsource_SECUNIA"
                    ],
                    "url": "http://secunia.com/advisories/43181"
                },
                {
                    "name": "HPSBMA02658",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_HP"
                    ],
                    "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777"
                },
                {
                    "name": "SSRT100413",
                    "tags": [
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                    ],
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                    "name": "44269",
                    "tags": [
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                        "x_refsource_SECUNIA"
                    ],
                    "url": "http://secunia.com/advisories/44269"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "http://www.openssh.com/txt/legacy-cert.adv"
                },
                {
                    "name": "openssh-certificate-info-disclosure(65163)",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_XF"
                    ],
                    "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65163"
                }
            ]
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        "adp": [
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                    "dateUpdated": "2024-08-06T21:58:25.891Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "[oss-security] 20110204 Re: [vendor-sec] OpenSSH security advisory: legacy certificate signing in 5.6/5.7",
                        "tags": [
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                            "x_transferred"
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                        "url": "http://www.openwall.com/lists/oss-security/2011/02/04/2"
                    },
                    {
                        "name": "1025028",
                        "tags": [
                            "vdb-entry",
                            "x_refsource_SECTRACK",
                            "x_transferred"
                        ],
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                    },
                    {
                        "name": "46155",
                        "tags": [
                            "vdb-entry",
                            "x_refsource_BID",
                            "x_transferred"
                        ],
                        "url": "http://www.securityfocus.com/bid/46155"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673"
                    },
                    {
                        "name": "ADV-2011-0284",
                        "tags": [
                            "vdb-entry",
                            "x_refsource_VUPEN",
                            "x_transferred"
                        ],
                        "url": "http://www.vupen.com/english/advisories/2011/0284"
                    },
                    {
                        "name": "43181",
                        "tags": [
                            "third-party-advisory",
                            "x_refsource_SECUNIA",
                            "x_transferred"
                        ],
                        "url": "http://secunia.com/advisories/43181"
                    },
                    {
                        "name": "HPSBMA02658",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_HP",
                            "x_transferred"
                        ],
                        "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777"
                    },
                    {
                        "name": "SSRT100413",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_HP",
                            "x_transferred"
                        ],
                        "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02794777"
                    },
                    {
                        "name": "44269",
                        "tags": [
                            "third-party-advisory",
                            "x_refsource_SECUNIA",
                            "x_transferred"
                        ],
                        "url": "http://secunia.com/advisories/44269"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "http://www.openssh.com/txt/legacy-cert.adv"
                    },
                    {
                        "name": "openssh-certificate-info-disclosure(65163)",
                        "tags": [
                            "vdb-entry",
                            "x_refsource_XF",
                            "x_transferred"
                        ],
                        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65163"
                    }
                ]
            },
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-457",
                                "lang": "en",
                                "description": "CWE-457 Use of Uninitialized Variable"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-29T20:34:38.891519Z",
                                "id": "CVE-2011-0539",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-29T20:34:45.288Z"
                }
            }
        ]
    },
    "cveMetadata": {
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        "assignerShortName": "redhat",
        "cveId": "CVE-2011-0539",
        "datePublished": "2011-02-10T17:00:00.000Z",
        "dateReserved": "2011-01-20T00:00:00.000Z",
        "dateUpdated": "2026-05-29T20:34:45.288Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2"
}