CVE-2017-15134

389 Directory Server vulnerability

CVSS

7.5

EPSS

3.9%

EPSS pct

89th

Exploited

No known

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.

Affected vendor

Fedoraproject

Affected product

389 Directory Server

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-120 — Classic Buffer Overflow
CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2018-03-01

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2017-15134

Confirm whether Fedoraproject 389 Directory Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-15134.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-15134

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