CVE-2025-59088

Python-kdcproxy: unauthenticated ssrf via realm‑controlled dns srv

HIGH 8.6

At a glance

Source
NVD
EPSS
EPSS 0.49 % · percentile 42 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Deferred

Description

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.

Weaknesses (CWE)

  • CWE-918 — Server-Side Request Forgery

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nredhat
CVSS 3.1HIGH 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NNVD · secalert@redhat.com (Secondary)

European references

Affected products

ProductVersions
latchset · kdcproxyaffected 0 < 1.1.0
Red Hat · Red Hat Enterprise Linux 10unaffected 0:1.0.0-19.el10_1 < *
Red Hat · Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected 0:1.0.0-19.el10_0 < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:0.3.2-3.el7_9.3 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 8100020251103113748.143e9e98 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 8100020251028161822.823393f5 < *
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Supportunaffected 8020020251106022345.792f4060 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 8040020251103205102.5b01ab7e < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 8040020251103205102.5b01ab7e < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 8060020251030180424.ada582f1 < *
Red Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update Serviceunaffected 8060020251030180424.ada582f1 < *
Red Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP Solutionsunaffected 8060020251030180424.ada582f1 < *
Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected 8080020251029082621.b0a6ceea < *
Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected 8080020251029082621.b0a6ceea < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:1.0.0-9.el9_7 < *
Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP Solutionsunaffected 0:1.0.0-7.el9_0.1 < *
Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected 0:1.0.0-7.el9_2.1 < *
Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Supportunaffected 0:1.0.0-7.el9_4.1 < *
Red Hat · Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected 0:1.0.0-9.el9_6 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD