PoC Index

CVE-2017-11104

MEDIUM 5.9EPSS 2.7%

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.

CVSS v3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
2.68% chance of exploitation in the next 30 days, 85th percentile
Published
2017-07-08
Updated
2024-08-05

Proof-of-concept exploits (1)

References

Related