CVE-2016-9952
CVSS V2 Medium 6.8
CVSS V3 High 8.1
Description
The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."
Overview
- CVE ID
- CVE-2016-9952
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-03-12T21:29:00
- Last Modified Date
- 2018-04-10T15:29:05
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* | 1 | OR | 7.30.0 | 7.51.0 |
| cpe:2.3:o:microsoft:windows_ce:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.1
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://curl.haxx.se/docs/adv_20161221B.html | Vendor Advisory |
| https://curl.haxx.se/CVE-2016-9952.patch | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2016-9952 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9952 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:45:49 | Added to TrackCVE | |||
| 2022-12-03 03:17:38 | 2018-03-12T21:29Z | 2018-03-12T21:29:00 | CVE Published Date | updated |
| 2022-12-03 03:17:38 | 2018-04-10T15:29:05 | CVE Modified Date | updated | |
| 2022-12-03 03:17:38 | Analyzed | Vulnerability Status | updated |