Summary
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
The following packages have been upgraded to a later upstream version: unbound (1.16.2). (BZ#2027735)
Security Fix(es):
* unbound: the novel ghost domain where malicious users to trigger continued resolvability of malicious domain names (CVE-2022-30698)
* unbound: novel ghost domain attack where malicious users to trigger continued resolvability of malicious domain names (CVE-2022-30699)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | python3-unbound | 1.16.2-2.el8 |
| AlmaLinux · 8 | unbound | 1.16.2-2.el8 |
| AlmaLinux · 8 | unbound-devel | 1.16.2-2.el8 |
| AlmaLinux · 8 | unbound-libs | 1.16.2-2.el8 |
Vulnerabilities 2
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Unscored —
Novel "ghost domain names" attack by introducing subdomain delegations
NLnet Labs Unbound, up to and including version 1.16.1 is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability works by targeting an Unbound instance. Unbound is queried for a subdomain of a rogue domain name. The rogue nameserver …
-
Unscored —
Novel "ghost domain names" attack by updating almost expired delegation information
NLnet Labs Unbound, up to and including version 1.16.1, is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability works by targeting an Unbound instance. Unbound is queried for a rogue domain name when the cached delegation informati…