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Debian LTS Advisory ([SECURITY] [DLA 892-1] libnl3 security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.6

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

3 years ago

Share

Summary

It was discovered that there was an integer overflow in libnl3, a library for dealing with netlink sockets. A missing check in nlmsg_reserve() could have allowed a malicious application to execute arbitrary code within the context of the WiFi service.

Affected Software

Affected Software

libnl3 on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For Debian 7 'Wheezy', this issue has been fixed in libnl3 version 3.2.7-4+deb7u1. We recommend that you upgrade your libnl3 packages.

Common Vulnerabilities and Exposures (CVE)

References

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Citations 1. Costs and Consequences of Gaps in Vulnerability Response, Ponemom Institute 2. Cost of a Data Breach Report 2021, IBM

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