CVE-2021-42697
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.
Overview
- CVE ID
- CVE-2021-42697
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-02T22:15:08
- Last Modified Date
- 2022-06-13T15:41:16
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:* | 1 | OR | 10.1.0 | 10.1.15 |
| cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:* | 1 | OR | 10.2.0 | 10.2.7 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html | Exploit Third Party Advisory VDB Entry |
| https://akka.io/blog/ | Vendor Advisory |
| https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released | Release Notes Vendor Advisory |
| https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released | Release Notes Vendor Advisory |
| https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-42697 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42697 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:19:51 | Added to TrackCVE | |||
| 2022-12-05 13:42:57 | 2021-11-02T22:15Z | 2021-11-02T22:15:08 | CVE Published Date | updated |
| 2022-12-05 13:42:57 | 2022-06-13T15:41:16 | CVE Modified Date | updated | |
| 2022-12-05 13:42:57 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 13:43:01 | References | updated |