Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://www.debian.org/security/2017/dsa-3910
- http://www.securityfocus.com/bid/99598
- https://bugs.debian.org/865678
- http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf
- https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html
ADP enrichment
No English description supplied.
- http://www.debian.org/security/2017/dsa-3910
- http://www.securityfocus.com/bid/99598
- https://bugs.debian.org/865678
- http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf
- https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html