CVE-2019-19945
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
uhttpd in OpenWrt through 18.06.5 and 19.x through 19.07.0-rc2 has an integer signedness error. This leads to out-of-bounds access to a heap buffer and a subsequent crash. It can be triggered with an HTTP POST request to a CGI script, specifying both "Transfer-Encoding: chunked" and a large negative Content-Length value.
Overview
- CVE ID
- CVE-2019-19945
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-03-16T18:15:12
- Last Modified Date
- 2020-08-24T17:37:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:* | 1 | OR | 18.06.0 | 18.06.5 |
| cpe:2.3:a:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:* | 1 | OR |
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 |
|---|---|
| https://github.com/openwrt/openwrt/commits/master | Patch Third Party Advisory |
| https://openwrt.org/advisory/2020-01-13-1 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-19945 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19945 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:36:36 | Added to TrackCVE | |||
| 2022-12-04 12:56:02 | 2020-03-16T18:15Z | 2020-03-16T18:15:12 | CVE Published Date | updated |
| 2022-12-04 12:56:02 | 2020-08-24T17:37:01 | CVE Modified Date | updated | |
| 2022-12-04 12:56:02 | Analyzed | Vulnerability Status | updated |