Improper Authentication in firefox-esr (Alpine package)



Published: 2020-09-03
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-9496
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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firefox-esr (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU23961

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9496

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. A remote attacker can bypass authentication process, force the hostapd process to terminate and perform a denial of service (DoS) attack on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 68.3.0-r0 - 68.8.0-r0

External links

http://git.alpinelinux.org/aports/commit/?id=d674ed89f91ccc24468e27d5dcde264eb734f58c


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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