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{
"Definition": [
{
"ID": "oval:org.altlinux.errata:def:20211836",
"Version": "oval:org.altlinux.errata:def:20211836",
"Class": "patch",
"Metadata": {
"Title": "ALT-PU-2021-1836: package `bind` update to version 9.11.31-alt1",
"AffectedList": [
{
"Family": "unix",
"Platforms": [
"ALT Linux branch c9f2"
],
"Products": [
"ALT SPWorkstation",
"ALT SPServer"
]
}
],
"References": [
{
"RefID": "ALT-PU-2021-1836",
"RefURL": "https://errata.altlinux.org/ALT-PU-2021-1836",
"Source": "ALTPU"
},
{
"RefID": "BDU:2021-01179",
"RefURL": "https://bdu.fstec.ru/vul/2021-01179",
"Source": "BDU"
},
{
"RefID": "BDU:2021-02773",
"RefURL": "https://bdu.fstec.ru/vul/2021-02773",
"Source": "BDU"
},
{
"RefID": "BDU:2021-02777",
"RefURL": "https://bdu.fstec.ru/vul/2021-02777",
"Source": "BDU"
},
{
"RefID": "BDU:2021-02778",
"RefURL": "https://bdu.fstec.ru/vul/2021-02778",
"Source": "BDU"
},
{
"RefID": "CVE-2020-8625",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2020-8625",
"Source": "CVE"
},
{
"RefID": "CVE-2021-25214",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-25214",
"Source": "CVE"
},
{
"RefID": "CVE-2021-25215",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-25215",
"Source": "CVE"
},
{
"RefID": "CVE-2021-25216",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-25216",
"Source": "CVE"
}
],
"Description": "This update upgrades bind to version 9.11.31-alt1. \nSecurity Fix(es):\n\n * BDU:2021-01179: Уязвимость реализации механизма SPNEGO DNS-сервера BIND, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код\n\n * BDU:2021-02773: Уязвимость компонента GSS-TSIG сервера BIND, связанная с записью за границами буфера в памяти, позволяющая нарушителю выполнить произвольный код\n\n * BDU:2021-02777: Уязвимость сервера DNS BIND, связанная с недостатком использования функции assert(), позволяющая нарушителю вызвать отказ в обслуживании\n\n * BDU:2021-02778: Уязвимость компонента named сервера DNS BIND, связанная с недостатком использования функции assert(), позволяющая нарушителю вызвать отказ в обслуживании\n\n * CVE-2020-8625: BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND's default settings the vulnerable code path is not exposed, but a server can be rendered vulnerable by explicitly setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options. Although the default configuration is not vulnerable, GSS-TSIG is frequently used in networks where BIND is integrated with Samba, as well as in mixed-server environments that combine BIND servers with Active Directory domain controllers. The most likely outcome of a successful exploitation of the vulnerability is a crash of the named process. However, remote code execution, while unproven, is theoretically possible. Affects: BIND 9.5.0 -\u003e 9.11.27, 9.12.0 -\u003e 9.16.11, and versions BIND 9.11.3-S1 -\u003e 9.11.27-S1 and 9.16.8-S1 -\u003e 9.16.11-S1 of BIND Supported Preview Edition. Also release versions 9.17.0 -\u003e 9.17.1 of the BIND 9.17 development branch\n\n * CVE-2021-25214: In BIND 9.8.5 -\u003e 9.8.8, 9.9.3 -\u003e 9.11.29, 9.12.0 -\u003e 9.16.13, and versions BIND 9.9.3-S1 -\u003e 9.11.29-S1 and 9.16.8-S1 -\u003e 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -\u003e 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.\n\n * CVE-2021-25215: In BIND 9.0.0 -\u003e 9.11.29, 9.12.0 -\u003e 9.16.13, and versions BIND 9.9.3-S1 -\u003e 9.11.29-S1 and 9.16.8-S1 -\u003e 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -\u003e 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.\n\n * CVE-2021-25216: In BIND 9.5.0 -\u003e 9.11.29, 9.12.0 -\u003e 9.16.13, and versions BIND 9.11.3-S1 -\u003e 9.11.29-S1 and 9.16.8-S1 -\u003e 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -\u003e 9.17.1 of the BIND 9.17 development branch, BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND's default settings the vulnerable code path is not exposed, but a server can be rendered vulnerable by explicitly setting values for the tkey-gssapi-keytab or tkey-gssapi-credential configuration options. Although the default configuration is not vulnerable, GSS-TSIG is frequently used in networks where
"Advisory": {
"From": "errata.altlinux.org",
"Severity": "Critical",
"Rights": "Copyright 2024 BaseALT Ltd.",
"Issued": {
"Date": "2021-05-19"
},
"Updated": {
"Date": "2021-05-19"
},
"BDUs": [
{
"ID": "BDU:2021-01179",
"CVSS": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"CVSS3": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"CWE": "CWE-119, CWE-120",
"Href": "https://bdu.fstec.ru/vul/2021-01179",
"Impact": "High",
"Public": "20210218"
},
{
"ID": "BDU:2021-02773",
"CVSS": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"CVSS3": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"CWE": "CWE-119, CWE-617",
"Href": "https://bdu.fstec.ru/vul/2021-02773",
"Impact": "Critical",
"Public": "20210428"
},
{
"ID": "BDU:2021-02777",
"CVSS": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
"CVSS3": "AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"CWE": "CWE-617",
"Href": "https://bdu.fstec.ru/vul/2021-02777",
"Impact": "Low",
"Public": "20210428"
},
{
"ID": "BDU:2021-02778",
"CVSS": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"CVSS3": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"CWE": "CWE-617",
"Href": "https://bdu.fstec.ru/vul/2021-02778",
"Impact": "High",
"Public": "20210428"
}
],
"CVEs": [
{
"ID": "CVE-2020-8625",
"CVSS": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"CVSS3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"CWE": "CWE-120",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2020-8625",
"Impact": "High",
"Public": "20210217"
},
{
"ID": "CVE-2021-25214",
"CVSS": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"CVSS3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"CWE": "CWE-617",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-25214",
"Impact": "Low",
"Public": "20210429"
},
{
"ID": "CVE-2021-25215",
"CVSS": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"CVSS3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"CWE": "CWE-617",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-25215",
"Impact": "High",
"Public": "20210429"
},
{
"ID": "CVE-2021-25216",
"CVSS": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"CVSS3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"CWE": "CWE-125",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-25216",
"Impact": "Critical",
"Public": "20210429"
}
],
"Bugzilla": [
{
"ID": "39350",
"Href": "https://bugzilla.altlinux.org/39350",
"Data": "mdig(1) unformatted in bind-utils-9.11.25-alt1"
}
],
"AffectedCPEs": {
"CPEs": [
"cpe:/o:alt:spworkstation:8.4",
"cpe:/o:alt:spserver:8.4"
]
}
}
},
"Criteria": {
"Operator": "AND",
"Criterions": [
{
"TestRef": "oval:org.altlinux.errata:tst:3001",
"Comment": "ALT Linux must be installed"
}
],
"Criterias": [
{
"Operator": "OR",
"Criterions": [
{
"TestRef": "oval:org.altlinux.errata:tst:20211836001",
"Comment": "bind is earlier than 0:9.11.31-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211836002",
"Comment": "bind-devel is earlier than 0:9.11.31-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211836003",
"Comment": "bind-doc is earlier than 0:9.11.31-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211836004",
"Comment": "bind-utils is earlier than 0:9.11.31-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211836005",
"Comment": "libbind is earlier than 0:9.11.31-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211836006",
"Comment": "lwresd is earlier than 0:9.11.31-alt1"
}
]
}
]
}
}
]
}