CVE-2018-1054: fedoraproject 389_directory_server Classic Buffer Overflow
Vulnerability summary
CVE-2018-1054 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in fedoraproject 389_directory_server. EPSS estimates a 4.56% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 2Timeline
- 07-03-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
4.56%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.56% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
Affected systems
Redhat3 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0 | 7.4
- enterprise_linux_workstation6.0 | 7.0
Debian1 product
- 389-ds-base< 1.3.7.10-1
Fedoraproject1 product
- 389_directory_server≤ 1.4.0.6
Mageia1 product
- 389-ds-base< 1.3.5.17-1.3.mga6
Red hat, inc.1 product
- 389-ds-baseall versions including upstream 1.4.x
Ubuntu1 product
- 389-ds-baseAll versions (No fix recorded) | < 1.3.7.10-1
6 vendors · 8 products
