CVE-2021-3514: Null Pointer Dereference
First published: Fri Apr 23 2021(Updated: )
When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat 389 Directory Server | ||
| redhat/389-ds-base | <1.4.3.23 | 1.4.3.23 |
| redhat/389-ds-base | <1.4.4.16 | 1.4.4.16 |
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Reference Links
- https://github.com/389ds/389-ds-base/issues/4711
- https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1952944
- https://github.com/389ds/389-ds-base/commit/d7eef2fcfbab2ef8aa6ee0bf60f0a9b16ede66e0
- https://github.com/389ds/389-ds-base/commit/2e5b526012612d1d6ccace46398bee679a730271
- https://github.com/389ds/389-ds-base/commit/58dbf084a63e6dbbd999bf6a70475fad8255f26a
- https://access.redhat.com/errata/RHSA-2021:2595
- https://access.redhat.com/security/cve/cve-2021-3514
- https://access.redhat.com/errata/RHSA-2021:2796
- https://access.redhat.com/errata/RHSA-2021:3955
- https://access.redhat.com/errata/RHSA-2022:0952
- https://bugzilla.redhat.com/show_bug.cgi?id=1952907
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-3514.
What software is affected by this vulnerability?
The Redhat 389 Directory Server is affected by this vulnerability.
What is the severity of CVE-2021-3514?
The severity of CVE-2021-3514 is medium with a CVSS score of 6.5.
How can an authenticated attacker exploit CVE-2021-3514?
An authenticated attacker can exploit CVE-2021-3514 by causing a NULL pointer dereference using a specially crafted query.
Are there any references or resources for CVE-2021-3514?
Yes, you can find more information about CVE-2021-3514 in the following references: [Github](https://github.com/389ds/389-ds-base/issues/4711) and [Debian LTS Announcement](https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html).
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