CVE-2019-3824
published 2019-03-06CVE-2019-3824: A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An…
PriorityP430medium6.5CVSS 3.0
AVNACLPRLUINSUCNINAH
EPSS
2.82%
85.1th percentile
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | ldb | < ldb 2:1.5.1+really1.4.3-2 (bullseye) | ldb 2:1.5.1+really1.4.3-2 (bullseye) |
| debian | samba | < ldb 2:1.5.1+really1.4.3-2 (bullseye) | ldb 2:1.5.1+really1.4.3-2 (bullseye) |
| samba | samba | < 4.10.0 | 4.10.0 |
| samba | samba | >= 0 < 2:4.9.5+dfsg-1 | 2:4.9.5+dfsg-1 |
| samba | samba | >= 0 < 2:4.9.5+dfsg-1 | 2:4.9.5+dfsg-1 |
| samba | samba | >= 0 < 2:4.9.5+dfsg-1 | 2:4.9.5+dfsg-1 |
| samba | samba | >= 0 < 2:4.9.5+dfsg-1 | 2:4.9.5+dfsg-1 |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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Ubuntu
LDB vulnerability
vendor_ubuntu·2019-02-26
CVE-2019-3824 LDB vulnerability
Title: LDB vulnerability
Summary: LDB could be made to crash if it received specially crafted network
traffic.
It was discovered that LDB incorrectly handled certain search expressions.
A remote attacker could possibly use this issue to cause the Samba LDAP
process to crash, resulting in a denial of service.
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
Red Hat
samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
vendor_redhat·2019-02-25·CVSS 6.5
CVE-2019-3824 [MEDIUM] CWE-125 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
Statement: The versions of samba packages shipped with Red Hat Enterprise Linux 5, 6, and 7 do not support Active Directory Domain Controller mode, therefore are not affected by this flaw.
This issue did not affect the version of samba as shipp
Debian
CVE-2019-3824: ldb - A flaw was found in the way an LDAP search expression could crash the shared LDA...
vendor_debian·2019·CVSS 6.5
CVE-2019-3824 [MEDIUM] CVE-2019-3824: ldb - A flaw was found in the way an LDAP search expression could crash the shared LDA...
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
Scope: local
bullseye: resolved (fixed in 2:1.5.1+really1.4.3-2)
GHSA
GHSA-6r53-4gh8-g2xq: A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4
ghsa_unreviewed·2022-05-13
CVE-2019-3824 [MEDIUM] CWE-125 GHSA-6r53-4gh8-g2xq: A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
OSV
CVE-2019-3824: A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4
osv·2019-03-06·CVSS 6.5
CVE-2019-3824 [MEDIUM] CVE-2019-3824: A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC [fedora-all]
bugzilla·2019-02-28·CVSS 6.5
CVE-2019-3824 [MEDIUM] CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC [fedora-all]
CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple suppo
Bugzilla
CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
bugzilla·2019-02-01·CVSS 6.5
CVE-2019-3824 [MEDIUM] CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
A flaw was found in the way an authenticated user with read permission on the LDAP server could crash the shared LDAP server process of the Samba AD DC, by using specially crafted search expressions like "cn=test*multi*test*multi"
Note that in Samba 4.7 and later, the default is not to have a shared LDAP process, unless -M prefork or -M single is specified on the command line to 'samba'.
Discussion:
Acknowledgments:
Name: the Samba project
---
Statement:
The versions of samba packages shipped with Red Hat Enterprise Linux 5, 6, and 7 do not support Active Directory Domain Controller mode, therefore are not affected by this flaw.
This issue did not affect the version of samba as shipped with 'Red Hat Glust
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00035.htmlhttp://www.securityfocus.com/bid/107347https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3824https://bugzilla.samba.org/show_bug.cgi?id=13773https://lists.debian.org/debian-lts-announce/2019/03/msg00000.htmlhttps://security.netapp.com/advisory/ntap-20190226-0001/https://usn.ubuntu.com/3895-1/https://www.debian.org/security/2019/dsa-4397http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00035.htmlhttp://www.securityfocus.com/bid/107347https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3824https://bugzilla.samba.org/show_bug.cgi?id=13773https://lists.debian.org/debian-lts-announce/2019/03/msg00000.htmlhttps://security.netapp.com/advisory/ntap-20190226-0001/https://usn.ubuntu.com/3895-1/https://www.debian.org/security/2019/dsa-4397
2019-03-06
Published