Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.
References
Link | Resource |
---|---|
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html | Broken Link |
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html | Broken Link |
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html | Broken Link |
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html | Broken Link |
http://www.debian.org/security/2017/dsa-3910 | Third Party Advisory |
http://www.securityfocus.com/bid/99598 | Broken Link |
http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf | Exploit Mitigation Patch Third Party Advisory |
https://bugs.debian.org/865678 | Issue Tracking Third Party Advisory |
https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html | Broken Link Mailing List Patch Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
No history.
Information
Published : 2017-07-08 10:29
Updated : 2024-02-04 19:29
NVD link : CVE-2017-11104
Mitre link : CVE-2017-11104
CVE.ORG link : CVE-2017-11104
JSON object : View
Products Affected
knot-dns
- knot_dns
debian
- debian_linux
CWE
CWE-20
Improper Input Validation