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Fencer Intel
medium 5.0

CVE-2015-1827 json

The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user acco…

published 2015-03-30 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1947

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.

Patch / fix

  • ipa RHEL 7 4.1.0-18.el7_1.3
  • ipa RHEL 7 4.1.0-18.ael7b_1.3
  • slapi-nis RHEL 7 0.54-3.el7_1
  • slapi-nis RHEL 7 0.54-3.ael7b_1
  • ipa-client RHEL 7 4.1.0-18.el7_1.3
  • ipa-client RHEL 7 4.1.0-18.ael7b_1.3
  • ipa-python RHEL 7 4.1.0-18.el7_1.3
  • ipa-python RHEL 7 4.1.0-18.ael7b_1.3

red hat advisories RHSA-2015:0728

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1827 updated cvss 5.0

ipa: memory corruption when using get_user_grouplist()

  • Red Hat Enterprise Linux Client (v. 7) ipa 4.1.0-18.el7_1.3, ipa-client 4.1.0-18.el7_1.3, ipa-python 4.1.0-18.el7_1.3 Red Hat Enterprise Linux Client Optional (v. 7) slapi-nis 0.54-3.el7_1, ipa-server 4.1.0-18.el7_1.3, ipa-admintools 4.1.0-18.el7_1.3, ipa-server-trust-ad 4.1.0-18.el7_1.3 Red Hat Enterprise Linux ComputeNode (v. 7) ipa 4.1.0-18.el7_1.3, ipa-client 4.1.0-18.el7_1.3, ipa-python 4.1.0-18.el7_1.3 Red Hat Enterprise Linux ComputeNode Optional (v. 7) slapi-nis 0.54-3.el7_1, ipa-server 4.1.0-18.el7_1.3, ipa-admintools 4.1.0-18.el7_1.3, ipa-server-trust-ad 4.1.0-18.el7_1.3 Red Hat Enterprise Linux Server (v. 7) ipa 4.1.0-18.el7_1.3, ipa 4.1.0-18.ael7b_1.3, slapi-nis 0.54-3.el7_1, slapi-nis 0.54-3.ael7b_1, ipa-client 4.1.0-18.el7_1.3, ipa-python 4.1.0-18.el7_1.3, +6 more Red Hat Enterprise Linux Server Optional (v. 7) ipa-admintools 4.1.0-18.el7_1.3
    +1 more products
    Red Hat Enterprise Linux Workstation (v. 7) ipa 4.1.0-18.el7_1.3, slapi-nis 0.54-3.el7_1, ipa-client 4.1.0-18.el7_1.3, ipa-python 4.1.0-18.el7_1.3, ipa-server 4.1.0-18.el7_1.3, ipa-admintools 4.1.0-18.el7_1.3, +1 more
    fixed: vendor fix RHSA-2015:0728
  • Red Hat Enterprise Linux 6 ipa, ipa-client, ipa-python, ipa-server, ipa-admintools, ipa-server-selinux, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.64% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-19 Data Processing Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.