Ubuntu.comUB:CVE-2023-22617CVE-2023-22617
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.003 Low
EPSS
Percentile
65.4%
A remote attacker might be able to cause infinite recursion in PowerDNS
Recursor 4.8.0 via a DNS query that retrieves DS records for a
misconfigured domain, because QName minimization is used in QM fallback
mode. This is fixed in 4.8.1.
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | pdns-recursor | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | pdns-recursor | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | pdns-recursor | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | pdns-recursor | < any | UNKNOWN |
References
www.openwall.com/lists/oss-security/2023/01/20/1
docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
docs.powerdns.com/recursor/security-advisories/
downloads.powerdns.com/patches/2023-01/
github.com/PowerDNS/pdns/pull/12442
launchpad.net/bugs/cve/CVE-2023-22617
nvd.nist.gov/vuln/detail/CVE-2023-22617
security-tracker.debian.org/tracker/CVE-2023-22617
www.cve.org/CVERecord?id=CVE-2023-22617
www.openwall.com/lists/oss-security/2023/01/20/1
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.003 Low
EPSS
Percentile
65.4%