Ubuntu update for wpa
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-27803 |
| CWE-ID | CWE-399 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system wpasupplicant (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Resource management error
EUVDB-ID: #VU55968
Risk: Medium
CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-27803
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources when processing P2P (Wi-Fi Direct) provision discovery requests in p2p/p2p_pd in wpa_supplicant. A remote attacker within radio range can send specially crafted request to the system and perform a denial of service (DoS) attack.
MitigationUpdate the affected package wpa to the latest version.
Vulnerable software versionsUbuntu: 14.04
wpasupplicant (Ubuntu package): before 2.1-0ubuntu1.7+esm4
External linkshttp://ubuntu.com/security/notices/USN-4757-2
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
