CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10191

Affected software: knot-resolver (DNS resolver). Vulnerability: Improper handling during DNSSEC validation allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, enabling potential domain hijacking. This is described for Knot Resolver prior to version 4.1.0 (and corr...

CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

Knot Resolver up to version 4.1.0 is affected by CVE-2019-10190, a DNSSEC validation bypass that lets NXDOMAIN responses pass to clients even when DNSSEC validation failed, potentially enabling domain hijack. Public advisories (e.g., Debian DLA-3795, Ubuntu USN-7047-1) indicate multiple knot-reso...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10191: Improper Input Validation

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10190: Improper Input Validation

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-1090

An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory, aka 'Windows dnsrlvr.dll Elevation of Privilege Vulnerability'...

CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

UBUNTU-CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

UBUNTU-CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

PT-2019-4362 · Cz.Nic +2 · Knot Resolver +2

Name of the Vulnerable Software and Affected Versions: knot resolver versions prior to 4.1.0 Description: A vulnerability was discovered in the DNS resolver of knot resolver, which allows remote attackers to downgrade DNSSEC-secure domains to a DNSSEC-insecure state. This opens the possibility of...

PT-2019-11613 · Cz.Nic +2 · Knot Resolver +2

Name of the Vulnerable Software and Affected Versions: knot resolver versions prior to 4.1.0 Description: A vulnerability was discovered in the DNS resolver component that allows remote attackers to bypass DNSSEC validation for non-existence answers. Specifically, NXDOMAIN answers would get passe...

GHSA-H92M-42H4-82F6 postfix-mta-sts-resolver Algorithm Downgrade vulnerability

Incorrect query parsing Impact All users of versions prior to 0.5.1 can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy. Patches Problem has been patched in version 0.5.1 Workarounds Users may remediate this vulnerability without upgrading...