CVE-2018-1054
First published: Mon Jan 22 2018(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/389-ds-base | <1.3.6.14 | 1.3.6.14 |
| redhat/389-ds-base | <1.3.7.10 | 1.3.7.10 |
| redhat/389-ds-base | <1.4.0.6 | 1.4.0.6 |
| Fedoraproject 389 Directory Server | <=1.4.0.6 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server | =7.4 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =7.0 |
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Reference Links
- https://pagure.io/389-ds-base/issue/49545
- https://pagure.io/389-ds-base/c/14ce2fe0dfa67405dae
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1551515
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1404619&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1404619&action=edit
- https://access.redhat.com/security/cve/CVE-2018-1054
- https://access.redhat.com/errata/RHSA-2018:0414
- http://directory.fedoraproject.org/docs/389ds/releases/release-1-3-6-14.html
- http://directory.fedoraproject.org/docs/389ds/releases/release-1-3-7-10.html
- http://directory.fedoraproject.org/docs/389ds/releases/release-1-4-0-6.html
- https://access.redhat.com/errata/RHSA-2018:0515
- https://bugzilla.redhat.com/show_bug.cgi?id=1537314
- http://www.securityfocus.com/bid/103228
- https://lists.debian.org/debian-lts-announce/2018/07/msg00018.html
Frequently Asked Questions
What is the vulnerability ID for this out-of-bounds memory read flaw?
The vulnerability ID for this flaw is CVE-2018-1054.
How does the out-of-bounds memory read flaw affect 389-ds-base?
The out-of-bounds memory read flaw affects all versions of 389-ds-base including 1.4.x.
What is the severity rating of CVE-2018-1054?
CVE-2018-1054 has a severity rating of 7.5 out of 10.
Which software versions are affected by CVE-2018-1054?
CVE-2018-1054 affects versions 1.3.6.14 up to 1.4.0.6 of 389-ds-base.
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by sending a specially crafted LDAP request, causing ns-slapd to crash.
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