Vulnerability Name:

CVE-2011-1547 (CCN-66530)

Assigned:2011-03-30
Published:2011-03-30
Updated:2011-09-07
Summary:Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a crafted (1) IPv4 or (2) IPv6 packet with nested IPComp headers.
CVSS v3 Severity:10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.5 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:POC/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.3 High (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
7.6 High (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:POC/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2011-1547

Source: NETBSD
Type: Vendor Advisory
NetBSD-SA2011-004

Source: CCN
Type: Full-disclosure Mailing List, Fri Apr 1 09:00:43 BST 2011
BSD derived RFC3173 IPComp encapsulation will expand arbitrarily nested payload

Source: FULLDISC
Type: UNKNOWN
20110401 BSD derived RFC3173 IPComp encapsulation will expand arbitrarily nested payload

Source: CCN
Type: FreeBSD SVN repository
Log of /head/sys/netipsec/xform_ipcomp.c

Source: CCN
Type: US-CERT VU#668220
IPComp encapsulation nested payload vulnerability

Source: CERT-VN
Type: US Government Resource
VU#668220

Source: CCN
Type: NetBSD Web site
The NetBSD Project

Source: CCN
Type: OSVDB ID: 71417
FreeBSD IPComp Payload Decompression Overflow

Source: CCN
Type: OSVDB ID: 71418
NetBSD IPComp Header Payload Decompression Overflow

Source: CCN
Type: BID-47123
NetBSD IPComp Implementation Stack Overflow Remote Memory Corruption Vulnerability

Source: XF
Type: UNKNOWN
multiple-ipcomp-bo(66530)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netbsd:netbsd:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:freebsd:freebsd:7.0:-:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:5.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netbsd netbsd 4.0
    netbsd netbsd 5.0
    netbsd netbsd 5.0.1
    netbsd netbsd 5.0.2
    netbsd netbsd 5.1
    freebsd freebsd 7.0 -
    apple mac os x 10.0
    netbsd netbsd 5.0