CVE-2015-3223
published 2015-12-29CVE-2015-3223: The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x…
PriorityP432medium5.3CVSS 3.0
AVNACLPRNUINSUCNINAL
EPSS
6.88%
93.4th percentile
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
Affected
65 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | ldb | < ldb 2:1.1.24-1 (bullseye) | ldb 2:1.1.24-1 (bullseye) |
| debian | samba | < ldb 2:1.1.24-1 (bullseye) | ldb 2:1.1.24-1 (bullseye) |
| samba | samba | — | — |
| samba | samba | — | — |
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CVSS provenance
nvdv3.05.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv5.3MEDIUM
vendor_debian5.3MEDIUM
vendor_redhat5.3MEDIUM
vendor_ubuntu5.3MEDIUM
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GHSA
GHSA-mfhq-m29x-g5ww: The ldb_wildcard_compare function in ldb_match
ghsa_unreviewed·2022-05-17
CVE-2015-3223 [MEDIUM] GHSA-mfhq-m29x-g5ww: The ldb_wildcard_compare function in ldb_match
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
OSV
samba regression
osv·2016-02-16·CVSS 5.3
CVE-2015-5252 [MEDIUM] samba regression
samba regression
USN-2855-1 fixed vulnerabilities in Samba. The upstream fix for
CVE-2015-5252 introduced a regression in certain specific environments.
This update fixes the problem.
Original advisory details:
Thilo Uttendorfer discovered that the Samba LDAP server incorrectly handled
certain packets. A remote attacker could use this issue to cause the LDAP
server to stop responding, resulting in a denial of service. This issue
only affected Ubuntu 14.04 LTS, Ubuntu 15.04 and Ubuntu 15.10.
(CVE-2015-3223)
Jan Kasprzak discovered that Samba incorrectly handled certain symlinks. A
remote attacker could use this issue to access files outside the exported
share path. (CVE-2015-5252)
Stefan Metzmacher discovered that Samba did not enforce signing when
creating encrypted connections. If a
OSV
samba vulnerabilities
osv·2016-01-05·CVSS 5.3
CVE-2015-3223 [MEDIUM] samba vulnerabilities
samba vulnerabilities
Thilo Uttendorfer discovered that the Samba LDAP server incorrectly handled
certain packets. A remote attacker could use this issue to cause the LDAP
server to stop responding, resulting in a denial of service. This issue
only affected Ubuntu 14.04 LTS, Ubuntu 15.04 and Ubuntu 15.10.
(CVE-2015-3223)
Jan Kasprzak discovered that Samba incorrectly handled certain symlinks. A
remote attacker could use this issue to access files outside the exported
share path. (CVE-2015-5252)
Stefan Metzmacher discovered that Samba did not enforce signing when
creating encrypted connections. If a remote attacker were able to perform a
machine-in-the-middle attack, this flaw could be exploited to view sensitive
information. (CVE-2015-5296)
It was discovered that Samba incorrectly perf
OSV
ldb vulnerabilities
osv·2016-01-05·CVSS 5.3
CVE-2015-3223 [MEDIUM] ldb vulnerabilities
ldb vulnerabilities
Thilo Uttendorfer discovered that the ldb incorrectly handled certain zero
values. A remote attacker could use this issue to cause applications using
ldb, such as Samba, to stop responding, resulting in a denial of service.
(CVE-2015-3223)
Douglas Bagnall discovered that ldb incorrectly handled certain string
lengths. A remote attacker could use this issue to possibly access
sensitive information from memory of applications using ldb, such as Samba.
(CVE-2015-5330)
OSV
CVE-2015-3223: The ldb_wildcard_compare function in ldb_match
osv·2015-12-29·CVSS 5.3
CVE-2015-3223 [MEDIUM] CVE-2015-3223: The ldb_wildcard_compare function in ldb_match
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
Ubuntu
Samba regression
vendor_ubuntu·2016-02-16·CVSS 5.3
CVE-2015-5252 [MEDIUM] Samba regression
Title: Samba regression
Summary: USN-2855-1 introduced a regression in Samba.
USN-2855-1 fixed vulnerabilities in Samba. The upstream fix for
CVE-2015-5252 introduced a regression in certain specific environments.
This update fixes the problem.
Original advisory details:
Thilo Uttendorfer discovered that the Samba LDAP server incorrectly handled
certain packets. A remote attacker could use this issue to cause the LDAP
server to stop responding, resulting in a denial of service. This issue
only affected Ubuntu 14.04 LTS, Ubuntu 15.04 and Ubuntu 15.10.
(CVE-2015-3223)
Jan Kasprzak discovered that Samba incorrectly handled certain symlinks. A
remote attacker could use this issue to access files outside the exported
share path. (CVE-2015-5252)
Stefan Metzmacher discovered that Samba did
Ubuntu
ldb vulnerabilities
vendor_ubuntu·2016-01-05·CVSS 5.3
CVE-2015-3223 [MEDIUM] ldb vulnerabilities
Title: ldb vulnerabilities
Summary: Several security issues were fixed in ldb.
Thilo Uttendorfer discovered that the ldb incorrectly handled certain zero
values. A remote attacker could use this issue to cause applications using
ldb, such as Samba, to stop responding, resulting in a denial of service.
(CVE-2015-3223)
Douglas Bagnall discovered that ldb incorrectly handled certain string
lengths. A remote attacker could use this issue to possibly access
sensitive information from memory of applications using ldb, such as Samba.
(CVE-2015-5330)
Instructions: After a standard system update you need to restart applications using ldb,
such as Samba, to make all the necessary changes.
Ubuntu
Samba vulnerabilities
vendor_ubuntu·2016-01-05·CVSS 5.3
CVE-2015-3223 [MEDIUM] Samba vulnerabilities
Title: Samba vulnerabilities
Summary: Several security issues were fixed in Samba.
Thilo Uttendorfer discovered that the Samba LDAP server incorrectly handled
certain packets. A remote attacker could use this issue to cause the LDAP
server to stop responding, resulting in a denial of service. This issue
only affected Ubuntu 14.04 LTS, Ubuntu 15.04 and Ubuntu 15.10.
(CVE-2015-3223)
Jan Kasprzak discovered that Samba incorrectly handled certain symlinks. A
remote attacker could use this issue to access files outside the exported
share path. (CVE-2015-5252)
Stefan Metzmacher discovered that Samba did not enforce signing when
creating encrypted connections. If a remote attacker were able to perform a
machine-in-the-middle attack, this flaw could be exploited to view sensitive
information.
Red Hat
libldb: Remote DoS in Samba (AD) LDAP server
vendor_redhat·2015-12-16·CVSS 5.3
CVE-2015-3223 [MEDIUM] CWE-835 libldb: Remote DoS in Samba (AD) LDAP server
libldb: Remote DoS in Samba (AD) LDAP server
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
A denial of service flaw was found in the ldb_wildcard_compare() function of libldb. A remote attacker could send a specially crafted packet that, when processed by an application using libldb (for example the AD LDAP server in Samba), would cause that application to consume an excessive amount of memory and crash.
Package: libldb (Red Hat Enterprise Linux 5) - Will not fix
Debian
CVE-2015-3223: ldb - The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used i...
vendor_debian·2015·CVSS 5.3
CVE-2015-3223 [MEDIUM] CVE-2015-3223: ldb - The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used i...
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
Scope: local
bullseye: resolved (fixed in 2:1.1.24-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2015-5299 CVE-2015-7540 CVE-2015-3223 CVE-2015-5252 CVE-2015-5296 samba: various flaws [fedora-all]
bugzilla·2015-12-16·CVSS 5.3
CVE-2015-5299 [MEDIUM] CVE-2015-5299 CVE-2015-7540 CVE-2015-3223 CVE-2015-5252 CVE-2015-5296 samba: various flaws [fedora-all]
CVE-2015-5299 CVE-2015-7540 CVE-2015-3223 CVE-2015-5252 CVE-2015-5296 samba: various flaws [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.
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 multi
Bugzilla
CVE-2015-3223 libldb: Remote DoS in Samba (AD) LDAP server
bugzilla·2015-12-10·CVSS 5.3
CVE-2015-3223 [MEDIUM] CVE-2015-3223 libldb: Remote DoS in Samba (AD) LDAP server
CVE-2015-3223 libldb: Remote DoS in Samba (AD) LDAP server
As per samba upstream advisory:
All versions of Samba from 4.0.0 to 4.3.2 inclusive are vulnerable to a denial of service attack in the samba daemon LDAP server.
A malicious client can send packets that cause the LDAP server in the samba daemon process to become unresponsive, preventing the server from servicing any other requests.
This flaw is not exploitable beyond causing the code to loop expending CPU resources.
Discussion:
Acknowledgements:
Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges Thilo Uttendorfer as the original reporter.
---
Created samba tracking bugs for this issue:
Affects: fedora-all [bug 1292069]
---
External References:
https://www.samba.org/samba/secu
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlhttp://www.debian.org/security/2016/dsa-3433http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlhttp://www.securityfocus.com/bid/79731http://www.securitytracker.com/id/1034493http://www.ubuntu.com/usn/USN-2855-1http://www.ubuntu.com/usn/USN-2855-2http://www.ubuntu.com/usn/USN-2856-1https://bugzilla.redhat.com/show_bug.cgi?id=1290287https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8https://security.gentoo.org/glsa/201612-47https://www.samba.org/samba/security/CVE-2015-3223.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlhttp://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlhttp://www.debian.org/security/2016/dsa-3433http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlhttp://www.securityfocus.com/bid/79731http://www.securitytracker.com/id/1034493http://www.ubuntu.com/usn/USN-2855-1http://www.ubuntu.com/usn/USN-2855-2http://www.ubuntu.com/usn/USN-2856-1https://bugzilla.redhat.com/show_bug.cgi?id=1290287https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8https://security.gentoo.org/glsa/201612-47https://www.samba.org/samba/security/CVE-2015-3223.html
2015-12-29
Published