5.0
MEDIUM
CVE-2015-1827
FreeIPA extdom Plug-in Memory Allocation Denial of Service
Description

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.

INFO

Published Date :

March 30, 2015, 2:59 p.m.

Last Modified :

Feb. 12, 2023, 11:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2015-1827 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Freeipa freeipa

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-1827 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-1827 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description It was discovered that the IPA extdom Directory Server plug-in did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash. 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.
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0728 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2015-1827 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description 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. It was discovered that the IPA extdom Directory Server plug-in did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash.
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added Reference https://access.redhat.com/security/cve/CVE-2015-1827 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0728 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 31, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/73376 [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 02, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:freeipa:freeipa:4.1.3:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:a:freeipa:freeipa:4.1.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
  • CVE Translated by [email protected]

    Apr. 10, 2016

    Action Type Old Value New Value
    Removed Translation La función get_user_grouplist en el plugin extdom en FreeIPA anterior a 4.1.4 no reasigna correctamente cuando procesa las cuentas de usuarios, lo que permite a atacantes remotos causar una denegación de servicio (caída) a través de una solicitud de lista de grupos para un usuario que pertenece a un número grande de grupos.
    Added Translation La función get_user_grouplist en el plug-in extdom en FreeIPA en versiones anteriores a 4.1.4 no reasigna memoria correctamente cuando procesa las cuentas de usuarios, lo que permite a atacantes remotos causar denegación de servicio (caída) a través de una solicitud de lista de grupo para un usuario que pertenece a un número grande de grupos.
  • CVE Modified by [email protected]

    Apr. 09, 2016

    Action Type Old Value New Value
    Changed Description The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate 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. 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.
  • CVE Modified by [email protected]

    Apr. 10, 2015

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154314.html
  • CVE Modified by [email protected]

    Apr. 07, 2015

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-March/154103.html
  • Modified Analysis by [email protected]

    Mar. 31, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:freeipa:freeipa:4.1.3:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Changed Reference Type https://fedorahosted.org/freeipa/ticket/4908 No Types Assigned https://fedorahosted.org/freeipa/ticket/4908 Advisory
    Added CWE CWE-19
  • Initial Analysis by [email protected]

    Mar. 31, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-1827 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-1827 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.09 }} -0.27%

score

0.89448

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability