The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Chainguard
kubernetes-dns-node-cache-fips
to version 1.26.5-r1 or higher.
Note: Versions mentioned in the description apply only to the upstream kubernetes-dns-node-cache-fips
package and not the kubernetes-dns-node-cache-fips
package as distributed by Chainguard
.
See How to fix?
for Chainguard
relevant fixed versions and status.
CoreDNS is a DNS server that chains plugins. Starting in version 1.2.0 and prior to version 1.12.4, the CoreDNS etcd plugin contains a TTL confusion vulnerability where lease IDs are incorrectly used as TTL values, enabling DNS cache pinning attacks. This effectively creates a DoS condition for DNS resolution of affected services. The TTL()
function in plugin/etcd/etcd.go
incorrectly casts etcd lease IDs (64-bit integers) to uint32 and uses them as TTL values. Large lease IDs become very large TTLs when cast to uint32. This enables cache pinning attacks. Version 1.12.4 contains a fix for the issue.