Vulnerability Name:

CVE-2011-4087 (CCN-71699)

Assigned:2011-12-08
Published:2011-12-08
Updated:2020-07-27
Summary:The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.
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:N/A:H)
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): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-665
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2011-4087

Source: CONFIRM
Type: Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39

Source: CONFIRM
Type: Exploit, Patch, Vendor Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f8e9881c2aef1e982e5abc25c046820cd0b7cf64

Source: CCN
Type: CVE-2011-4087
Multiple remote denial of service in Linux bridge networking code 2.6.37-3.0

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20111028 Re: CVE Request: Multiple remote denial of service in Linux bridge networking code 2.6.37-3.0

Source: CCN
Type: BID-50979
Linux Kernel CVE-2011-4087 Bridge Networking Interface Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-bni-dos(71699)

Source: CONFIRM
Type: Exploit, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/f8e9881c2aef1e982e5abc25c046820cd0b7cf64

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 2.6.39)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:2.6.39:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20114087
    V
    		CVE-2011-4087
    2015-11-16
    oval:org.mitre.oval:def:15276
    P
    		USN-1304-1 -- Linux kernel (OMAP4) vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:14880
    P
    		USN-1193-1 -- Linux kernel vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:15019
    P
    		USN-1256-1 -- Linux kernel (Natty backport) vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:15273
    P
    		USN-1294-1 -- Linux kernel (Oneiric backport) vulnerabilities
    2014-06-30
    oval:com.ubuntu.precise:def:20114087000
    V
    		CVE-2011-4087 on Ubuntu 12.04 LTS (precise) - medium.
    2013-06-08
    BACK
    linux linux kernel *
    linux linux kernel 2.6.39