Vulnerability Name:

CCN-62710

Published:2010-10-21
Updated:2010-10-21
Summary:NetBSD is vulnerable to a denial of service, caused by a signedness error in the SMBIOC_OPENSESSION ioctl. By allocating overly large memory buffers, a local attacker could exploit this vulnerability to exhaust all available memory resources.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: NetBSD-SA2010-010
Buffer Length Handling Errors in netsmb

Source: CCN
Type: SA41892
NetBSD Denial of Service and Privilege Escalation Vulnerabilities

Source: CCN
Type: BID-44288
NetBSD 'SMBIOC_OPENSESSION' IOCTL Local Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
netbsd-smbiocopensession-dos(62710)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:netbsd:netbsd:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.0.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netbsd netbsd 4.0
    netbsd netbsd 4.0.1
    netbsd netbsd 5.0
    netbsd netbsd 5.0.2