Описание
CoreDNS is a DNS server written in Go. Prior to 1.14.4, a single 28-byte UDP datagram can crash the CoreDNS process when the proxyproto plugin is enabled because plugin/pkg/proxyproto/proxyproto.go PacketConn.ReadFrom handles a PROXY v2 header with non-UDP transport such as family byte 0x11, reassigns addr from a nil readFrom result after parseProxyProtocol errors, and calls addr.String() in the warning log before ServeDNS recovery applies. This issue is fixed in version 1.14.4.
Ссылки
- Patch
- Issue TrackingPatch
- Release Notes
- ExploitThird Party Advisory
Уязвимые конфигурации
Конфигурация 1Версия до 1.14.4 (исключая)
cpe:2.3:a:coredns.io:coredns:*:*:*:*:*:*:*:*
EPSS
Процентиль: 30%
0.00377
Низкий
7.5 High
CVSS3
Дефекты
CWE-476
Связанные уязвимости
msrc
15 дней назад
CoreDNS: proxyproto plugin panics on PPv2 datagram with non-UDP transport — single 28-byte packet remote DoS
CVSS3: 7.5
debian
16 дней назад
CoreDNS is a DNS server written in Go. Prior to 1.14.4, a single 28-by ...
EPSS
Процентиль: 30%
0.00377
Низкий
7.5 High
CVSS3
Дефекты
CWE-476