CVE-2013-4579 Information disclosure in n/a

Medium 4.3 Published Updated

Remote attackers can discover the original MAC address of a Wi-Fi device by sending crafted packets, bypassing MAC spoofing protections in the ath9k_htc driver.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2013-4579?

CVE-2013-4579 is a medium-severity vulnerability in Linux kernel, published on 19 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ath9k_htc_set_bssid_mask function in drivers/net/wireless/ath/ath9k/htc_drv_main.c in the Linux kernel through 3.12 uses a BSSID masking approach to determine the set of MAC addresses on which a Wi-Fi device is listening, which allows remote attackers to discover the original MAC address after spoofing by sending a series of packets to MAC addresses with certain bit manipulations.

Weakness: CWE-310

Which versions are affected by CVE-2013-4579?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-4579?

Apply the vendor's patch.

Is CVE-2013-4579 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2013-4579 exists.

Public exploit code: 1 Exploit-DB entry.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4579, GHSA-v4p7-4gcw-hc4c.

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