Описание
Security update for dnsdist
This update for dnsdist fixes the following issues:
- Implements package 'dnsdist' with version 1.8.0 in SLE15. (jsc#PED-3402)
- Downstream DNS resolver configuration should be chosen by the admin
- Security fix: fixes a possible record smugging with a crafted DNS query with trailing data (CVE-2018-14663, bsc#1114511)
- Security fix: There is an issue that can lead to a denial of service on 32-bit if a backend sends crafted answers. (CVE-2016-7069, bsc#1054799)
- Security fix: Alteration of dnsdist's ACL if the API is enabled, writable and an authenticated user is tricked into visiting a crafted website. (CVE-2017-7557, bsc#1054799)
- SNMP support, exporting statistics and sending traps
- Preventing the packet cache from ageing responses when deployed in
- Various DNSCrypt-related fixes and improvements, including automatic key rotation
Список пакетов
SUSE Linux Enterprise Server 15 SP1-LTSS
SUSE Linux Enterprise Server 15 SP2-LTSS
SUSE Linux Enterprise Server 15 SP3-LTSS
SUSE Linux Enterprise Server for SAP Applications 15 SP1
SUSE Linux Enterprise Server for SAP Applications 15 SP2
Ссылки
- Link for SUSE-SU-2023:2777-1
- E-Mail link for SUSE-SU-2023:2777-1
- SUSE Security Ratings
- SUSE Bug 1054799
- SUSE Bug 1054802
- SUSE Bug 1114511
- SUSE CVE CVE-2016-7069 page
- SUSE CVE CVE-2017-7557 page
- SUSE CVE CVE-2018-14663 page
Описание
An issue has been found in dnsdist before 1.2.0 in the way EDNS0 OPT records are handled when parsing responses from a backend. When dnsdist is configured to add EDNS Client Subnet to a query, the response may contain an EDNS0 OPT record that has to be removed before forwarding the response to the initial client. On a 32-bit system, the pointer arithmetic used when parsing the received response to remove that record might trigger an undefined behavior leading to a crash.
Затронутые продукты
Ссылки
- CVE-2016-7069
- SUSE Bug 1054799
Описание
dnsdist version 1.1.0 is vulnerable to a flaw in authentication mechanism for REST API potentially allowing CSRF attack.
Затронутые продукты
Ссылки
- CVE-2017-7557
- SUSE Bug 1054802
Описание
An issue has been found in PowerDNS DNSDist before 1.3.3 allowing a remote attacker to craft a DNS query with trailing data such that the addition of a record by dnsdist, for example an OPT record when adding EDNS Client Subnet, might result in the trailing data being smuggled to the backend as a valid record while not seen by dnsdist. This is an issue when dnsdist is deployed as a DNS Firewall and used to filter some records that should not be received by the backend. This issue occurs only when either the 'useClientSubnet' or the experimental 'addXPF' parameters are used when declaring a new backend.
Затронутые продукты
Ссылки
- CVE-2018-14663
- SUSE Bug 1114511