Vulnerability Name:

CVE-2022-3437 (CCN-243456)

Assigned:2022-10-12
Published:2022-10-12
Updated:2023-02-16
Summary:Samba is vulnerable to a buffer overflow, caused by improper bounds checking by the Heimdal unwrap_des3() function. By sending a specially-crafted packet, a remote authenticated attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/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): None
Availibility (A): High
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L/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): None
Integrity (I): High
Availibility (A): Low
CVSS v2 Severity:5.6 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:N/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-3437

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Issue Tracking, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
samba-cve20223437-bo(243456)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-3437

Source: CCN
Type: Samba Web site
CVE-2022-3437.html

Source: secalert@redhat.com
Type: Vendor Advisory
secalert@redhat.com

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:samba:samba:4.0:*:*:*:*:*:*:*

  • * 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:51987
    P
    Security update for samba (Important)
    2023-01-26
    BACK
    samba samba 4.0