CVE-2025-59088 (GCVE-0-2025-59088)
Vulnerability from cvelistv5
Published
2025-11-12 16:35
Modified
2025-11-19 08:16
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
If kdcproxy receives a request for a realm which does not have server addresses defined in its configuration, by default, it will query SRV records in the DNS zone matching the requested realm name. This creates a server-side request forgery vulnerability, since an attacker could send a request for a realm matching a DNS zone where they created SRV records pointing to arbitrary ports and hostnames (which may resolve to loopback or internal IP addresses). This vulnerability can be exploited to probe internal network topology and firewall rules, perform port scanning, and exfiltrate data. Deployments where the "use_dns" setting is explicitly set to false are not affected.
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:1.0.0-19.el10_1   < *
    cpe:/o:redhat:enterprise_linux:10.1
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   Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:1.0.0-19.el10_0   < *
    cpe:/o:redhat:enterprise_linux_eus:10.0
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020251103113748.143e9e98   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020251028161822.823393f5   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
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   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.0.0-9.el9_7   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
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   Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:1.0.0-7.el9_2.1   < *
    cpe:/a:redhat:rhel_e4s:9.2::appstream
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   Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:1.0.0-7.el9_4.1   < *
    cpe:/a:redhat:rhel_eus:9.4::appstream
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   Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:1.0.0-9.el9_6   < *
    cpe:/a:redhat:rhel_eus:9.6::appstream
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   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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This will disable the use of DNS to find Active Directory servers so it may break the service if DNS is needed.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"If kdcproxy receives a request for a realm which does not have server addresses defined in its configuration, by default, it will query SRV records in the DNS zone matching the requested realm name. This creates a server-side request forgery vulnerability, since an attacker could send a request for a realm matching a DNS zone where they created SRV records pointing to arbitrary ports and hostnames (which may resolve to loopback or internal IP addresses). This vulnerability can be exploited to probe internal network topology and firewall rules, perform port scanning, and exfiltrate data. Deployments where\\nthe \\\"use_dns\\\" setting is explicitly set to false are not affected.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-918\", \"description\": \"Server-Side Request Forgery (SSRF)\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-11-19T08:16:45.903Z\"}, \"x_redhatCweChain\": \"CWE-918: Server-Side Request Forgery (SSRF)\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-59088\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-19T08:16:45.903Z\", \"dateReserved\": \"2025-09-08T21:43:30.845Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-11-12T16:35:27.877Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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