Gentoo update for wpa_supplicant, hostapd



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2021-30004
CVE-2022-23303
CVE-2022-23304
CWE-ID CWE-20
CWE-327
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Gentoo Linux
Operating systems & Components / Operating system

net-wireless/hostapd
Operating systems & Components / Operating system package or component

Vendor Gentoo

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU59106

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-30004

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to insufficient validation of user-supplied input in tls/pkcs1.c and tls/x509v3.c files in wpa_supplicant and hostapd when handling AlgorithmIdentifier parameters. A remote attacker can pass specially crafted input to the application and perform MitM attack.

Mitigation

Update the affected packages.
net-wireless/hostapd to version: 2.10

Vulnerable software versions

Gentoo Linux: All versions

net-wireless/hostapd: before 2.10

CPE2.3 External links

https://security.gentoo.org/glsa/202309-16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU59839

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-23303

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the implementations of SAE are vulnerable to side-channel attacks as a result of cache access patterns. A remote attacker with ability to install and execute applications can crack weak passwords when memory access patterns are visible in a shared cache.

Note, this vulnerability exists due to incomplete fix for #VU23959 (CVE-2019-9494).

Mitigation

Update the affected packages.
net-wireless/hostapd to version: 2.10

Vulnerable software versions

Gentoo Linux: All versions

net-wireless/hostapd: before 2.10

CPE2.3 External links

https://security.gentoo.org/glsa/202309-16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU59838

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-23304

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the implementations of EAP-PWD are vulnerable to side-channel attacks as a result of cache access patterns. A remote attacker with ability to install and execute applications can crack weak passwords when memory access patterns are visible in a shared cache.

Note, this vulnerability exists due to incomplete fix for #VU23960 (CVE-2019-9495).

Mitigation

Update the affected packages.
net-wireless/hostapd to version: 2.10

Vulnerable software versions

Gentoo Linux: All versions

net-wireless/hostapd: before 2.10

CPE2.3 External links

https://security.gentoo.org/glsa/202309-16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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