Vulnerability Name:

CVE-2020-25720 (CCN-257616)

Assigned:2020-09-17
Published:2020-09-17
Updated:2020-09-17
Summary:Samba could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw when a user with sufficient privileges to create a computer account. By sending a specially crafted request, an attacker could exploit this vulnerability to set arbitrary values on security-sensitive attributes of specific objects stored in Active Directory (AD).
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-25720

Source: CCN
Type: The Samba-Bugzilla – Bug 14810
CVE-2020-25720 [SECURITY] Create Child permission should not allow full write to all attributes

Source: XF
Type: UNKNOWN
samba-cve202025720-sec-bypass(257616)

Source: CCN
Type: Samba GIT Repository
CVE-2020-25720 s4:dsdb/descriptor: explain lack of dSHeuristics check

Source: CCN
Type: Mend Vulnerability Database
CVE-2020-25720

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:samba:samba:4.17.0:-:*:*:*:*:*:*

  • * 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
    BACK
    samba samba 4.17.0 -