CVE-2017-15134

A stack buffer overflow flaw was found in the way 389-ds-base 1.3.6.x before 1.3.6.13, 1.3.7.x before 1.3.7.9, 1.4.x before 1.4.0.5 handled certain LDAP search filters. A remote, unauthenticated attacker could potentially use this flaw to make ns-slapd crash via a specially crafted LDAP request, thus resulting in denial of service.

Published: 2018-03-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2017-15134 is rated Moderate Risk (59.5/100): CVSS High severity, with high exploitation likelihood (EPSS 5.69%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-15134

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-07 7.75% 5.69% -2.06%
2 2026-01-25 5.69% 7.75% +2.06%
3 2025-12-09 5.69%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-15134

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-15134

OS Trackers for CVE-2017-15134

vendor priority summary link
debian not yet assigned CVE-2017-15134 not yet assigned priority: Debian including 1 source packages (389-ds-base), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2017-15134
redhat high https://access.redhat.com/security/cve/CVE-2017-15134
ubuntu medium CVE-2017-15134 medium priority: Ubuntu including 1 source packages (389-ds-base), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 15, released 2, DNE 1, ignored 1, needed 1. https://ubuntu.com/security/CVE-2017-15134

Affected software / configurations for CVE-2017-15134

Vendor Product Version Raw CPE
fedoraproject 389_directory_server >= 1.3.6.1, < 1.3.6.13 cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
fedoraproject 389_directory_server >= 1.3.7.1, < 1.3.7.9 cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
fedoraproject 389_directory_server >= 1.4.0.0, < 1.4.0.5 cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
redhat enterprise_linux 7.4 cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.4 cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

References for CVE-2017-15134

cvelogic Threat Intelligence