CVE-2021-24036
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.
Overview
- CVE ID
- CVE-2021-24036
- Assigner
- cve-assign@fb.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-23T01:15:07
- Last Modified Date
- 2022-10-26T00:30:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:* | 1 | OR | 2021.07.22.00 | |
| cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 1 | OR | 4.80.5 | |
| cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 1 | OR | 4.81.0 | 4.102.1 |
| cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 1 | OR | 4.103.0 | 4.113.0 |
| cpe:2.3:a:facebook:hhvm:4.114.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:facebook:hhvm:4.115.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:facebook:hhvm:4.116.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:facebook:hhvm:4.117.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:facebook:hhvm:4.118.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:facebook:hhvm:4.118.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://hhvm.com/blog/2021/07/20/security-update.html | Product Vendor Advisory |
| https://github.com/facebook/folly/commit/4f304af1411e68851bdd00ef6140e9de4616f7d3 | Patch Third Party Advisory |
| https://www.facebook.com/security/advisories/cve-2021-24036 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-24036 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24036 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:58:19 | Added to TrackCVE | |||
| 2022-12-05 06:51:21 | 2021-07-23T01:15Z | 2021-07-23T01:15:07 | CVE Published Date | updated |
| 2022-12-05 06:51:21 | 2022-10-26T00:30:43 | CVE Modified Date | updated | |
| 2022-12-05 06:51:21 | Analyzed | Vulnerability Status | updated |