Vulnerability Name:

CVE-2013-2636 (CCN-83142)

Assigned:2013-03-22
Published:2013-03-22
Updated:2013-04-05
Summary:net/bridge/br_mdb.c in the Linux kernel before 3.8.4 does not initialize certain structures, which allows local users to obtain sensitive information from kernel memory via a crafted application.
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:L/I:N/A:N)
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): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:1.9 Low (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N)
1.4 Low (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-399
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2013-2636

Source: CONFIRM
Type: Patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c085c49920b2f900ba716b4ca1c1a55ece9872cc

Source: CCN
Type: Linux Kernel GIT Repository
bridge: fix mdb info leaks

Source: CONFIRM
Type: UNKNOWN
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4

Source: MLIST
Type: UNKNOWN
[oss-security] 20130320 Re: Linux kernel: net - three info leaks in rtnl

Source: CCN
Type: Red Hat Bugzilla Bug 923652
CVE-2013-1873 Kernel: information leaks via netlink interface

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=923652

Source: XF
Type: UNKNOWN
kernel-cve20132636-info-disc(83142)

Source: CONFIRM
Type: Patch
https://github.com/torvalds/linux/commit/c085c49920b2f900ba716b4ca1c1a55ece9872cc

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2013-2636

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 3.8.3)

  • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20132636000
    V
    CVE-2013-2636 on Ubuntu 12.04 LTS (precise) - low.
    2013-03-22
    BACK
    linux linux kernel 3.8.0
    linux linux kernel 3.8.1
    linux linux kernel 3.8.2
    linux linux kernel *
    linux linux kernel 3.8.3
    linux linux kernel 3.8.2
    linux linux kernel 3.8.1
    linux linux kernel 3.8.0