cve-2020-8616
Vulnerability from cvelistv5
Published
2020-05-19 14:05
Modified
2024-09-16 23:55
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
BIND does not sufficiently limit the number of fetches performed when processing referrals
References
security-officer@isc.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
security-officer@isc.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
security-officer@isc.orghttp://www.nxnsattack.comExploit, Third Party Advisory
security-officer@isc.orghttp://www.openwall.com/lists/oss-security/2020/05/19/4Mailing List, Patch, Third Party Advisory
security-officer@isc.orghttps://kb.isc.org/docs/cve-2020-8616Patch, Vendor Advisory
security-officer@isc.orghttps://lists.debian.org/debian-lts-announce/2020/05/msg00031.html
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKJXVBOKZ36ER3EUCR7VRB7WGHIIMPNJ/
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOGCJS2XQ3SQNF4W6GLZ73LWZJ6ZZWZI/
security-officer@isc.orghttps://security.netapp.com/advisory/ntap-20200522-0002/
security-officer@isc.orghttps://usn.ubuntu.com/4365-1/
security-officer@isc.orghttps://usn.ubuntu.com/4365-2/
security-officer@isc.orghttps://www.debian.org/security/2020/dsa-4689Third Party Advisory
security-officer@isc.orghttps://www.synology.com/security/advisory/Synology_SA_20_12
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
af854a3a-2127-422b-91ae-364da2661108http://www.nxnsattack.comExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/05/19/4Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/docs/cve-2020-8616Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/05/msg00031.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKJXVBOKZ36ER3EUCR7VRB7WGHIIMPNJ/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOGCJS2XQ3SQNF4W6GLZ73LWZJ6ZZWZI/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200522-0002/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4365-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4365-2/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4689Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_20_12
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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This has at least two potential effects: The performance of the recursing server can potentially be degraded by the additional work required to perform these fetches, and The attacker can exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor.\"},{\"lang\":\"es\",\"value\":\"Un actor malicioso que explota intencionalmente esta falta de limitaci\u00f3n efectiva en el n\u00famero de recuperaciones realizadas cuando se procesan referencias puede, mediante el uso de referencias especialmente dise\u00f1adas, causar que un servidor recurrente emita una gran cantidad de recuperaciones en un intento de procesar la referencia. Esto tiene al menos dos efectos potenciales: el rendimiento del servidor recurrente puede estar potencialmente afectado por el trabajo adicional requerido para realizar estas recuperaciones, y el atacante puede explotar este comportamiento para utilizar el servidor recurrente como un reflector en un ataque de reflexi\u00f3n con un alto factor de 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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