389 Directory Server
CVE-2018-1054
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters, affecting all versions including 1.4.x. 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.
AnalysisAI
An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters, affecting all versions including 1.4.x. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
Technical ContextAI
This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters, affecting all versions including 1.4.x. 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 products include: Fedoraproject 389 Directory Server, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.
More in 389 Directory Server
View all389-ds-base version before 1.3.5.19 and 1.3.6.7 are vulnerable to password brute-force attacks during account lockout du
A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. Rated high severity (CVSS
The SASL authentication functionality in 389 Directory Server before 1.2.11.26 allows remote authenticated users to conn
A vulnerability was found in the 389 Directory Server that allows expired passwords to access the database to cause impr
slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attac
389 Directory Server before 1.3.3.10 allows attackers to bypass intended access restrictions and modify directory entrie
389 Directory Server (formerly Fedora Directory Server) before 1.3.3.12 does not enforce the nsSSL3Ciphers preference wh
Denial of service in 389-ds-base LDAP server allows remote unauthenticated attackers to exhaust CPU and heap memory by s
An access control bypass vulnerability found in 389-ds-base. Rated high severity (CVSS 7.5), this vulnerability is remot
It was found that the fix for CVE-2018-14648 in 389-ds-base, versions 1.4.0.x before 1.4.0.17, was incorrectly applied i
In 389-ds-base up to version 1.4.1.2, requests are handled by workers threads. Rated high severity (CVSS 7.5), this vuln
A flaw was found in 389 Directory Server. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no
Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
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