CVE-2021-30004 Other in n/a
Attackers can forge attacks due to mishandled AlgorithmIdentifier parameters in wpa_supplicant and hostapd, bypassing security checks.
- 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-2021-30004?
CVE-2021-30004 is a medium-severity vulnerability in n/a, published on 2 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In wpa_supplicant and hostapd 2.9, forging attacks may occur because AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and tls/x509v3.c.
Weakness: CWE-20
Which versions are affected by CVE-2021-30004?
It affects 2 products.
Linux distribution packages (5)
wpa_supplicant SUSE:Linux Enterprise Micro 5.0 | All versions | 2.9-4.29.1 |
wpa_supplicant SUSE:Linux Enterprise Module for Basesystem 15 SP2 | All versions | 2.9-4.29.1 |
wpa_supplicant SUSE:Linux Enterprise Server 12 SP5 | All versions | 2.9-23.12.1 |
wpa_supplicant SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 2.9-23.12.1 |
wpa_supplicant openSUSE:Leap 15.2 | All versions | 2.9-lp152.8.12.1 |
Products include W1.fi Hostapd, W1.fi Wpa Supplicant.
How do I fix CVE-2021-30004?
Apply the vendor's patch.
Is CVE-2021-30004 being exploited?
There is no known exploitation of CVE-2021-30004 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2021-30004, AZL-6974, DEBIAN-CVE-2021-30004, GHSA-mwxw-68wg-34jm, MGASA-2021-0254, SUSE-SU-2021:1125-1 and 2 more.