CVE-2021-24043
CVSS V2 Medium 6.4
CVSS V3 Critical 9.1
Description
A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call.
Overview
- CVE ID
- CVE-2021-24043
- Assigner
- cve-assign@fb.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-02T12:15:07
- Last Modified Date
- 2022-02-07T19:47:30
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:whatsapp:whatsapp:2.21.23.2:*:*:*:*:android:*:* | 1 | OR | ||
| cpe:2.3:a:whatsapp:whatsapp:2.21.230.6:*:*:*:*:iphone_os:*:* | 1 | OR | ||
| cpe:2.3:a:whatsapp:whatsapp:2.2145.0:*:*:*:desktop:*:*:* | 1 | OR | ||
| cpe:2.3:a:whatsapp:whatsapp_business:2.21.23.2:*:*:*:*:android:*:* | 1 | OR | ||
| cpe:2.3:a:whatsapp:whatsapp_business:2.21.230.7:*:*:*:*:iphone_os:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.1
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://www.whatsapp.com/security/advisories/2021/ | Not Applicable Vendor Advisory |
| https://www.whatsapp.com/security/advisories/2022/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-24043 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24043 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:33:42 | Added to TrackCVE | |||
| 2022-12-06 08:20:14 | 2022-02-02T12:15Z | 2022-02-02T12:15:07 | CVE Published Date | updated |
| 2022-12-06 08:20:14 | 2022-02-07T19:47:30 | CVE Modified Date | updated | |
| 2022-12-06 08:20:14 | Analyzed | Vulnerability Status | updated |