CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
96.3%
Issue Overview:
Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution (CVE-2021-44142)
Affected Packages:
samba
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update samba to update your system.
New Packages:
aarch64:
samba-4.10.16-18.amzn2.0.1.aarch64
samba-client-4.10.16-18.amzn2.0.1.aarch64
samba-client-libs-4.10.16-18.amzn2.0.1.aarch64
samba-common-libs-4.10.16-18.amzn2.0.1.aarch64
samba-common-tools-4.10.16-18.amzn2.0.1.aarch64
samba-dc-4.10.16-18.amzn2.0.1.aarch64
samba-dc-libs-4.10.16-18.amzn2.0.1.aarch64
samba-devel-4.10.16-18.amzn2.0.1.aarch64
samba-krb5-printing-4.10.16-18.amzn2.0.1.aarch64
samba-libs-4.10.16-18.amzn2.0.1.aarch64
libsmbclient-4.10.16-18.amzn2.0.1.aarch64
libsmbclient-devel-4.10.16-18.amzn2.0.1.aarch64
libwbclient-4.10.16-18.amzn2.0.1.aarch64
libwbclient-devel-4.10.16-18.amzn2.0.1.aarch64
samba-python-4.10.16-18.amzn2.0.1.aarch64
samba-python-test-4.10.16-18.amzn2.0.1.aarch64
samba-test-4.10.16-18.amzn2.0.1.aarch64
samba-test-libs-4.10.16-18.amzn2.0.1.aarch64
samba-winbind-4.10.16-18.amzn2.0.1.aarch64
samba-winbind-clients-4.10.16-18.amzn2.0.1.aarch64
samba-winbind-krb5-locator-4.10.16-18.amzn2.0.1.aarch64
samba-winbind-modules-4.10.16-18.amzn2.0.1.aarch64
ctdb-4.10.16-18.amzn2.0.1.aarch64
ctdb-tests-4.10.16-18.amzn2.0.1.aarch64
samba-debuginfo-4.10.16-18.amzn2.0.1.aarch64
i686:
samba-4.10.16-18.amzn2.0.1.i686
samba-client-4.10.16-18.amzn2.0.1.i686
samba-client-libs-4.10.16-18.amzn2.0.1.i686
samba-common-libs-4.10.16-18.amzn2.0.1.i686
samba-common-tools-4.10.16-18.amzn2.0.1.i686
samba-dc-4.10.16-18.amzn2.0.1.i686
samba-dc-libs-4.10.16-18.amzn2.0.1.i686
samba-devel-4.10.16-18.amzn2.0.1.i686
samba-krb5-printing-4.10.16-18.amzn2.0.1.i686
samba-libs-4.10.16-18.amzn2.0.1.i686
libsmbclient-4.10.16-18.amzn2.0.1.i686
libsmbclient-devel-4.10.16-18.amzn2.0.1.i686
libwbclient-4.10.16-18.amzn2.0.1.i686
libwbclient-devel-4.10.16-18.amzn2.0.1.i686
samba-python-4.10.16-18.amzn2.0.1.i686
samba-python-test-4.10.16-18.amzn2.0.1.i686
samba-test-4.10.16-18.amzn2.0.1.i686
samba-test-libs-4.10.16-18.amzn2.0.1.i686
samba-winbind-4.10.16-18.amzn2.0.1.i686
samba-winbind-clients-4.10.16-18.amzn2.0.1.i686
samba-winbind-krb5-locator-4.10.16-18.amzn2.0.1.i686
samba-winbind-modules-4.10.16-18.amzn2.0.1.i686
ctdb-4.10.16-18.amzn2.0.1.i686
ctdb-tests-4.10.16-18.amzn2.0.1.i686
samba-debuginfo-4.10.16-18.amzn2.0.1.i686
noarch:
samba-common-4.10.16-18.amzn2.0.1.noarch
samba-pidl-4.10.16-18.amzn2.0.1.noarch
src:
samba-4.10.16-18.amzn2.0.1.src
x86_64:
samba-4.10.16-18.amzn2.0.1.x86_64
samba-client-4.10.16-18.amzn2.0.1.x86_64
samba-client-libs-4.10.16-18.amzn2.0.1.x86_64
samba-common-libs-4.10.16-18.amzn2.0.1.x86_64
samba-common-tools-4.10.16-18.amzn2.0.1.x86_64
samba-dc-4.10.16-18.amzn2.0.1.x86_64
samba-dc-libs-4.10.16-18.amzn2.0.1.x86_64
samba-devel-4.10.16-18.amzn2.0.1.x86_64
samba-vfs-glusterfs-4.10.16-18.amzn2.0.1.x86_64
samba-krb5-printing-4.10.16-18.amzn2.0.1.x86_64
samba-libs-4.10.16-18.amzn2.0.1.x86_64
libsmbclient-4.10.16-18.amzn2.0.1.x86_64
libsmbclient-devel-4.10.16-18.amzn2.0.1.x86_64
libwbclient-4.10.16-18.amzn2.0.1.x86_64
libwbclient-devel-4.10.16-18.amzn2.0.1.x86_64
samba-python-4.10.16-18.amzn2.0.1.x86_64
samba-python-test-4.10.16-18.amzn2.0.1.x86_64
samba-test-4.10.16-18.amzn2.0.1.x86_64
samba-test-libs-4.10.16-18.amzn2.0.1.x86_64
samba-winbind-4.10.16-18.amzn2.0.1.x86_64
samba-winbind-clients-4.10.16-18.amzn2.0.1.x86_64
samba-winbind-krb5-locator-4.10.16-18.amzn2.0.1.x86_64
samba-winbind-modules-4.10.16-18.amzn2.0.1.x86_64
ctdb-4.10.16-18.amzn2.0.1.x86_64
ctdb-tests-4.10.16-18.amzn2.0.1.x86_64
samba-debuginfo-4.10.16-18.amzn2.0.1.x86_64
Red Hat: CVE-2016-2124, CVE-2020-25717, CVE-2021-44142
Mitre: CVE-2016-2124, CVE-2020-25717, CVE-2021-44142
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
96.3%