Vulnerability Details : CVE-2015-1827
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.
Vulnerability category: Denial of service
Products affected by CVE-2015-1827
- cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
- cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-1827
1.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-1827
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-1827
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-1827
-
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/154103.html
[SECURITY] Fedora 22 Update: freeipa-4.1.4-1.fc22
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https://bugzilla.redhat.com/show_bug.cgi?id=1205200
1205200 – (CVE-2015-1827) CVE-2015-1827 ipa: memory corruption when using get_user_grouplist()
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http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154314.html
[SECURITY] Fedora 21 Update: freeipa-4.1.4-1.fc21
-
http://www.securityfocus.com/bid/73376
FreeIPA 'get_user_grouplist()' Function Remote Denial of Service Vulnerability
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https://fedorahosted.org/freeipa/ticket/4908
Issue #4908: Extdom plugin fails when encountering large groups - freeipa - Pagure.ioVendor Advisory
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http://rhn.redhat.com/errata/RHSA-2015-0728.html
RHSA-2015:0728 - Security Advisory - Red Hat Customer Portal
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