cvelist/2019/11xxx/CVE-2019-11477.json

{
    "CVE_data_meta": {
        "AKA": "SACK Panic",
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2019-06-17T00:00:00.000Z",
        "ID": "CVE-2019-11477",
        "STATE": "PUBLIC",
        "TITLE": "Integer overflow in TCP_SKB_CB(skb)->tcp_gso_segs"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux kernel",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.4",
                                            "version_value": "4.4.182"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.9",
                                            "version_value": "4.9.182"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.14",
                                            "version_value": "4.14.127"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.19",
                                            "version_value": "4.19.52"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "5.1",
                                            "version_value": "5.1.11"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Linux"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Jonathan Looney from Netflix"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.7"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-190 Integer Overflow or Wraparound"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff",
                "name": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md",
                "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md"
            },
            {
                "refsource": "MISC",
                "url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic",
                "name": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic"
            },
            {
                "refsource": "MISC",
                "url": "https://access.redhat.com/security/vulnerabilities/tcpsack",
                "name": "https://access.redhat.com/security/vulnerabilities/tcpsack"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.f5.com/csp/article/K78234183",
                "url": "https://support.f5.com/csp/article/K78234183"
            }
        ]
    },
    "source": {
        "advisory": "https://usn.ubuntu.com/4017-1",
        "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831637"
        ],
        "discovery": "UNKNOWN"
    }
}