Vulnerability Details : CVE-2017-2591
389-ds-base before version 1.3.6 is vulnerable to an improperly NULL terminated array in the uniqueness_entry_to_config() function in the "attribute uniqueness" plugin of 389 Directory Server. An authenticated, or possibly unauthenticated, attacker could use this flaw to force an out-of-bound heap memory read, possibly triggering a crash of the LDAP service.
Vulnerability category: Overflow
Products affected by CVE-2017-2591
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-2591
8.00%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-2591
| 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 | |
|
2.6
|
LOW | AV:N/AC:H/Au:N/C:N/I:N/A:P |
4.9
|
2.9
|
Red Hat, Inc. | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
3.7
|
LOW | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
2.2
|
1.4
|
Red Hat, Inc. |
CWE ids for CVE-2017-2591
-
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: secalert@redhat.com (Secondary)
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-2591
-
https://pagure.io/389-ds-base/issue/48986
Issue #48986: Test 47808 triggers buffer overflow - 389-ds-base - Pagure.ioPatch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2591
1381481 – (CVE-2017-2591) CVE-2017-2591 389-ds-base: Heap buffer overflow in uiduniq.cIssue Tracking;Third Party Advisory
-
http://www.securityfocus.com/bid/95670
389 Directory Server CVE-2017-2591 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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