CVE-2013-6834: Input Validation

Published Nov 21, 2013
·
Updated

The qleioctl function in sys/dev/qlxgbe/qlioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.

Affected Software

73 affected components
FreeBSD FreeBSD<=10.0
FreeBSD FreeBSD=0.4_1
FreeBSD FreeBSD=1.0
FreeBSD FreeBSD=1.1
FreeBSD FreeBSD=1.1.5
FreeBSD FreeBSD=1.1.5.1
FreeBSD FreeBSD=1.2
FreeBSD FreeBSD=1.5
FreeBSD FreeBSD=2.0
FreeBSD FreeBSD=2.0.1
FreeBSD FreeBSD=2.0.5
FreeBSD FreeBSD=2.1
FreeBSD FreeBSD=2.1.0
FreeBSD FreeBSD=2.1.5
FreeBSD FreeBSD=2.1.6
FreeBSD FreeBSD=2.1.6.1
FreeBSD FreeBSD=2.1.7
FreeBSD FreeBSD=2.1.7.1
FreeBSD FreeBSD=2.2
FreeBSD FreeBSD=2.2.1
FreeBSD FreeBSD=2.2.2
FreeBSD FreeBSD=2.2.3
FreeBSD FreeBSD=2.2.4
FreeBSD FreeBSD=2.2.5
FreeBSD FreeBSD=2.2.6
FreeBSD FreeBSD=2.2.7
FreeBSD FreeBSD=2.2.8
FreeBSD FreeBSD=3.0
FreeBSD FreeBSD=3.1
FreeBSD FreeBSD=3.2
FreeBSD FreeBSD=3.3
FreeBSD FreeBSD=3.4
FreeBSD FreeBSD=3.5
FreeBSD FreeBSD=3.5.1
FreeBSD FreeBSD=4.0
FreeBSD FreeBSD=4.1
FreeBSD FreeBSD=4.1.1
FreeBSD FreeBSD=4.2
FreeBSD FreeBSD=4.3
FreeBSD FreeBSD=4.4
FreeBSD FreeBSD=4.5
FreeBSD FreeBSD=4.6
FreeBSD FreeBSD=4.6.2
FreeBSD FreeBSD=4.7
FreeBSD FreeBSD=4.8
FreeBSD FreeBSD=4.9
FreeBSD FreeBSD=4.10
FreeBSD FreeBSD=4.11
FreeBSD FreeBSD=5.0
FreeBSD FreeBSD=5.1
FreeBSD FreeBSD=5.2
FreeBSD FreeBSD=5.2.1
FreeBSD FreeBSD=5.3
FreeBSD FreeBSD=5.4
FreeBSD FreeBSD=5.5
FreeBSD FreeBSD=6.0
FreeBSD FreeBSD=6.1
FreeBSD FreeBSD=6.2
FreeBSD FreeBSD=6.3
FreeBSD FreeBSD=6.4
FreeBSD FreeBSD=7.0
FreeBSD FreeBSD=7.1
FreeBSD FreeBSD=7.2
FreeBSD FreeBSD=7.3
FreeBSD FreeBSD=7.4
FreeBSD FreeBSD=8.0
FreeBSD FreeBSD=8.1
FreeBSD FreeBSD=8.2
FreeBSD FreeBSD=8.3
FreeBSD FreeBSD=8.4
FreeBSD FreeBSD=9.0
FreeBSD FreeBSD=9.1
FreeBSD FreeBSD=9.2

Event History

Nov 21, 2013
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
Description
Data Sourced
via NVD·04:40 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2013-6834?

CVE-2013-6834 is classified as a local information disclosure vulnerability.

2

How do I fix CVE-2013-6834?

To fix CVE-2013-6834, upgrade to FreeBSD 10.1 or later, or apply the relevant patches provided by FreeBSD.

3

Who is affected by CVE-2013-6834?

CVE-2013-6834 affects FreeBSD versions 10 and earlier, including multiple specific releases.

4

What does CVE-2013-6834 exploit?

CVE-2013-6834 exploits a lack of validation in the ql_eioctl function, enabling sensitive information retrieval from kernel memory.

5

Can CVE-2013-6834 be exploited remotely?

CVE-2013-6834 requires local access to the system, making it primarily a local threat rather than a remote exploit.

Contact

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