CVE-2015-7540

The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
Affected Products (NVD)
VendorProductVersion
sambasamba
4.0.0 ≤
𝑥
< 4.1.22
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
15.04
canonicalubuntu_linux
15.10
debiandebian_linux
7.0
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
bullseye
2:4.13.13+dfsg-1~deb11u6
fixed
bullseye (security)
2:4.13.13+dfsg-1~deb11u6
fixed
sid
2:4.21.1+dfsg-2
fixed
squeeze
not-affected
trixie
2:4.21.1+dfsg-2
fixed
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
precise
not-affected
trusty
Fixed 2:4.1.6+dfsg-1ubuntu2.14.04.11
released
vivid
Fixed 2:4.1.13+dfsg-4ubuntu3.1
released
wily
Fixed 2:4.1.17+dfsg-4ubuntu3.1
released
xenial
Fixed 2:4.3.3+dfsg-1ubuntu1
released
yakkety
Fixed 2:4.3.3+dfsg-1ubuntu1
released
zesty
Fixed 2:4.3.3+dfsg-1ubuntu1
released
samba4
precise
ignored
trusty
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
ctdb
RHEL 7
0:4.2.3-10.el7
fixed
ctdb-devel
RHEL 7
0:4.2.3-10.el7
fixed
ctdb-tests
RHEL 7
0:4.2.3-10.el7
fixed
libsmbclient
RHEL 7
0:4.2.3-10.el7
fixed
libsmbclient-devel
RHEL 7
0:4.2.3-10.el7
fixed
libwbclient
RHEL 7
0:4.2.3-10.el7
fixed
libwbclient-devel
RHEL 7
0:4.2.3-10.el7
fixed
samba
RHEL 7
0:4.2.3-10.el7
fixed
samba-client
RHEL 7
0:4.2.3-10.el7
fixed
samba-client-libs
RHEL 7
0:4.2.3-10.el7
fixed
samba-common
RHEL 7
0:4.2.3-10.el7
fixed
samba-common-libs
RHEL 7
0:4.2.3-10.el7
fixed
samba-common-tools
RHEL 7
0:4.2.3-10.el7
fixed
samba-dc
RHEL 7
0:4.2.3-10.el7
fixed
samba-dc-libs
RHEL 7
0:4.2.3-10.el7
fixed
samba-devel
RHEL 7
0:4.2.3-10.el7
fixed
samba-libs
RHEL 7
0:4.2.3-10.el7
fixed
samba-pidl
RHEL 7
0:4.2.3-10.el7
fixed
samba-python
RHEL 7
0:4.2.3-10.el7
fixed
samba-test
RHEL 7
0:4.2.3-10.el7
fixed
samba-test-devel
RHEL 7
0:4.2.3-10.el7
fixed
samba-test-libs
RHEL 7
0:4.2.3-10.el7
fixed
samba-vfs-glusterfs
RHEL 7
0:4.2.3-10.el7
fixed
samba-winbind
RHEL 7
0:4.2.3-10.el7
fixed
samba-winbind-clients
RHEL 7
0:4.2.3-10.el7
fixed
samba-winbind-krb5-locator
RHEL 7
0:4.2.3-10.el7
fixed
samba-winbind-modules
RHEL 7
0:4.2.3-10.el7
fixed
samba4
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-client
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-common
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-dc
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-dc-libs
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-devel
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-libs
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-pidl
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-python
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-swat
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-test
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-winbind
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-winbind-clients
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
samba4-winbind-krb5-locator
RHEL 6
0:4.0.0-67.el6_7.rc4
fixed
Common Weakness Enumeration
References
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
http://www.debian.org/security/2016/dsa-3433
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/79736
http://www.securitytracker.com/id/1034492
http://www.ubuntu.com/usn/USN-2855-1
http://www.ubuntu.com/usn/USN-2855-2
https://bugzilla.redhat.com/show_bug.cgi?id=1288451
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=530d50a1abdcdf4d1775652d4c456c1274d83d8d
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=9d989c9dd7a5b92d0c5d65287935471b83b6e884
https://security.gentoo.org/glsa/201612-47
https://www.samba.org/samba/security/CVE-2015-7540.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
http://www.debian.org/security/2016/dsa-3433
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/79736
http://www.securitytracker.com/id/1034492
http://www.ubuntu.com/usn/USN-2855-1
http://www.ubuntu.com/usn/USN-2855-2
https://bugzilla.redhat.com/show_bug.cgi?id=1288451
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=530d50a1abdcdf4d1775652d4c456c1274d83d8d
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=9d989c9dd7a5b92d0c5d65287935471b83b6e884
https://security.gentoo.org/glsa/201612-47
https://www.samba.org/samba/security/CVE-2015-7540.html