wpa_supplicant up to 2.9 P2P Provision Discovery Request p2p/p2p_pd.c denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in wpa_supplicant up to 2.9. This vulnerability affects an unknown code of the file p2p/p2p_pd.c of the component P2P Provision Discovery Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
The weakness was shared 02/27/2021. The advisory is shared for download at w1.fi. This vulnerability was named CVE-2021-27803. There are known technical details, but no exploit is available.
Upgrading to version 2.10 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at w1.fi. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: wpa_supplicant 2.10
Patch: w1.fi
Timeline
02/26/2021 🔍02/27/2021 🔍
02/27/2021 🔍
03/14/2021 🔍
Sources
Advisory: w1.fiStatus: Confirmed
CVE: CVE-2021-27803 (🔍)
Entry
Created: 02/27/2021 08:23Updated: 03/14/2021 07:45
Changes: 02/27/2021 08:23 (39), 03/05/2021 21:50 (5), 03/14/2021 07:45 (18)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.