389-ds-base: Heap buffer overflow in uiduniq.c
Published Apr 30, 2018
7.5
HIGHCVSS 3.0
EPSS 2.86%
Description
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.
Affected products
- Vendor n/a Product 389-DS-Base Defaultn/a
- Version 389-ds-base 1.3.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | 389-DS-Base | n/a |
|
Configuration 1
- < 1.3.6
Configuration 2
- 7.0
No data.
Red Hat Enterprise Linux 6
389-ds-base
Not affected
Red Hat Enterprise Linux 7
389-ds-base
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | 389-ds-base | Not affected | n/a |
| Red Hat Enterprise Linux 7 | 389-ds-base | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact, a future update may address this flaw.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.86% (0.02864) | 86.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.01% (0.03008) | 85.61th | v5 (v2026.06.15) |
| Apr 9, 2026 | 2.77% (0.02774) | 86.04th | v4 (v2025.03.14) |
| Jul 28, 2025 | 6.83% (0.06828) | 90.90th | v4 (v2025.03.14) |
| May 18, 2025 | 8.00% (0.08001) | 91.62th | v4 (v2025.03.14) |
| Mar 31, 2025 | 9.06% (0.09056) | 91.86th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.61% (0.10611) | 92.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.18% (0.18183) | 92.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.61% (0.10611) | 92.73th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.21% (0.00209) | 59.34th | v3 (v2023.03.01) |
| Oct 31, 2023 | 0.21% (0.00209) | 58.68th | v3 (v2023.03.01) |
| Sep 21, 2023 | 0.20% (0.00198) | 57.12th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.30% (0.00296) | 65.08th | v3 (v2023.03.01) |
| May 29, 2023 | 0.32% (0.00323) | 66.32th | v3 (v2023.03.01) |
| May 8, 2023 | 0.33% (0.00328) | 66.43th | v3 (v2023.03.01) |
| Apr 24, 2023 | 0.30% (0.00300) | 64.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00262) | 62.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v1 |
| Jan 6, 2022 | 0.83% (0.00833) | 23.96th | v1 |
| Sep 1, 2021 | 0.83% (0.00833) | 57.50th | v1 |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (7)
- http://www.securityfocus.com/bid/95670 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-2591 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1381481 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2591 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-2591
- https://pagure.io/389-ds-base/issue/48986 x_refsource_CONFIRMPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-2591
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/95670 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-2591 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1381481 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2591 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-2591 | ||
| https://pagure.io/389-ds-base/issue/48986 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-2591 |
Change history (0)
No recorded changes yet.