Vulnerability Name:

CVE-2022-32743 (CCN-235111)

Assigned:2021-09-14
Published:2021-09-14
Updated:2022-09-16
Summary:Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-276
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2022-32743

Source: CCN
Type: The Samba-Bugzilla - Bug 14833
(CVE-2022-32743) - CVE-2022-32743 [SECURITY] Validated dnsHostname write right needs to be implemented

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14833

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-adts/5c578b15-d619-408d-ba17-380714b89fd1

Source: XF
Type: UNKNOWN
samba-cve202232743-sec-bypass(235111)

Source: FEDORA
Type: UNKNOWN
FEDORA-2022-4555909843

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-32743

Source: CCN
Type: Samba Web site
Samba

Vulnerable Configuration:Configuration 1:
  • cpe:/a:samba:samba:*:*:*:*:*:*:*:* (Version >= 4.1.0

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7662
    P
    libsamba-policy-devel-4.17.7+git.330.4057cd7a27a-150500.1.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:748
    P
    Security update for samba (Important)
    2022-09-12
    BACK
    samba samba *