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CVE-2011-1080

Date: June 21, 2012

The do_replace function in net/bridge/netfilter/ebtables.c in the Linux kernel before 2.6.39 does not ensure that a certain name field ends with a '\0' character, which allows local users to obtain potentially sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability to replace a table, and then reading a modprobe command line.

Language: C

Severity Score

Related Resources (11)

https://bugzilla.redhat.com/show_bug.cgi?id=681262
https://access.redhat.com/security/cve/CVE-2011-1080
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
https://nvd.nist.gov/vuln/detail/CVE-2011-1080
https://github.com/torvalds/linux/commit/d846f71195d57b0bbb143382647c2c6638b04c5a
http://downloads.avaya.com/css/P8/documents/100145416
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d846f71195d57b0bbb143382647c2c6638b04c5a
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1080
http://www.openwall.com/lists/oss-security/2011/03/01/10
http://rhn.redhat.com/errata/RHSA-2011-0833.html
https://www.mend.io/vulnerability-database/CVE-2011-1080

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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