Описание
Security update for dhcp
This update for dhcp fixes the following issues:
Secuirty issue fixed:
- CVE-2019-6470: Fixed DHCPv6 server crashes (bsc#1134078).
Bug fixes:
- Add compile option --enable-secs-byteorder to avoid duplicate lease warnings (bsc#1089524).
- Use IPv6 when called as dhclient6, dhcpd6, and dhcrelay6 (bsc#1136572).
Список пакетов
Container suse/sles/15.6/libguestfs-tools:1.1.1
Container suse/sles/15.7/libguestfs-tools:1.5.0
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SUSE Linux Enterprise Module for Basesystem 15
SUSE Linux Enterprise Module for Basesystem 15 SP1
SUSE Linux Enterprise Module for Server Applications 15
SUSE Linux Enterprise Module for Server Applications 15 SP1
Ссылки
- Link for SUSE-SU-2019:2657-1
- E-Mail link for SUSE-SU-2019:2657-1
- SUSE Security Ratings
- SUSE Bug 1089524
- SUSE Bug 1134078
- SUSE Bug 1136572
- SUSE CVE CVE-2019-6470 page
Описание
There had existed in one of the ISC BIND libraries a bug in a function that was used by dhcpd when operating in DHCPv6 mode. There was also a bug in dhcpd relating to the use of this function per its documentation, but the bug in the library function prevented this from causing any harm. All releases of dhcpd from ISC contain copies of this, and other, BIND libraries in combinations that have been tested prior to release and are known to not present issues like this. Some third-party packagers of ISC software have modified the dhcpd source, BIND source, or version matchup in ways that create the crash potential. Based on reports available to ISC, the crash probability is large and no analysis has been done on how, or even if, the probability can be manipulated by an attacker. Affects: Builds of dhcpd versions prior to version 4.4.1 when using BIND versions 9.11.2 or later, or BIND versions with specific bug fixes backported to them. ISC does not have access to comprehensive version lists for all repackagings of dhcpd that are vulnerable. In particular, builds from other vendors may also be affected. Operators are advised to consult their vendor documentation.
Затронутые продукты
Ссылки
- CVE-2019-6470
- SUSE Bug 1134078