CVE-2021-23192

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.
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:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 28%
Affected Products (NVD)
VendorProductVersion
sambasamba
4.10.0 ≤
𝑥
< 4.13.14
sambasamba
4.14.0 ≤
𝑥
< 4.14.10
sambasamba
4.15.0 ≤
𝑥
< 4.15.2
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
buster
not-affected
sid
2:4.21.1+dfsg-2
fixed
stretch
not-affected
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
bionic
not-affected
focal
Fixed 2:4.13.14+dfsg-0ubuntu0.20.04.1
released
hirsute
Fixed 2:4.13.14+dfsg-0ubuntu0.21.04.1
released
impish
Fixed 2:4.13.14+dfsg-0ubuntu0.21.10.1
released
jammy
Fixed 2:4.13.14+dfsg-0ubuntu1
released
trusty
not-affected
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
ldb-tools
suse enterprise desktop 15 SP3
2.2.2-3.3.1
fixed
suse enterprise sap 15 SP3
2.2.2-3.3.1
fixed
suse enterprise server 15 SP3
2.2.2-3.3.1
fixed
libldb-devel
suse enterprise desktop 15 SP3
2.2.2-3.3.1
fixed
suse enterprise sap 15 SP3
2.2.2-3.3.1
fixed
suse enterprise server 15 SP3
2.2.2-3.3.1
fixed
libldb2
suse enterprise desktop 15 SP3
2.2.2-3.3.1
fixed
suse enterprise sap 15 SP3
2.2.2-3.3.1
fixed
suse enterprise server 15 SP3
2.2.2-3.3.1
fixed
libldb2-32bit
suse enterprise desktop 15 SP3
2.2.2-3.3.1
fixed
suse enterprise sap 15 SP3
2.2.2-3.3.1
fixed
suse enterprise server 15 SP3
2.2.2-3.3.1
fixed
python3-ldb
suse enterprise desktop 15 SP3
2.2.2-3.3.1
fixed
suse enterprise sap 15 SP3
2.2.2-3.3.1
fixed
suse enterprise server 15 SP3
2.2.2-3.3.1
fixed
python3-ldb-devel
suse enterprise desktop 15 SP3
2.2.2-3.3.1
fixed
suse enterprise sap 15 SP3
2.2.2-3.3.1
fixed
suse enterprise server 15 SP3
2.2.2-3.3.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
ctdb
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
ctdb-tests
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
libsmbclient
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
libsmbclient-devel
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
libwbclient
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
libwbclient-devel
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
python3-samba
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
python3-samba-test
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-client
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-client-libs
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-common
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-common-libs
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-common-tools
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-devel
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-krb5-printing
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-libs
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-pidl
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-test
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-test-libs
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-vfs-iouring
RHEL 8
0:4.14.5-7.el8_5
fixed
samba-winbind
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-winbind-clients
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-winbind-krb5-locator
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-winbind-modules
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
samba-winexe
RHEL 8
0:4.14.5-7.el8_5
fixed
RHEL 8.4 AUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 E4S
0:4.13.3-8.el8_4
fixed
RHEL 8.4 EUS
0:4.13.3-8.el8_4
fixed
RHEL 8.4 TUS
0:4.13.3-8.el8_4
fixed
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=2019666
https://security.gentoo.org/glsa/202309-06
https://ubuntu.com/security/CVE-2021-23192
https://www.samba.org/samba/security/CVE-2021-23192.html
https://bugzilla.redhat.com/show_bug.cgi?id=2019666
https://security.gentoo.org/glsa/202309-06
https://ubuntu.com/security/CVE-2021-23192
https://www.samba.org/samba/security/CVE-2021-23192.html