发布时间: 2021年8月20日
修改时间: 2024年10月31日
curl supports the `-t` command line option, known as `CURLOPT_TELNETOPTIONS`in libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending `NEW_ENV` variables, libcurlcould be made to pass on uninitialized data from a stack based buffer to theserver. Therefore potentially revealing sensitive internal information to theserver using a clear-text network protocol.This could happen because curl did not call and use sscanf() correctly whenparsing the string provided by the application.
| NVD | openEuler | |
|---|---|---|
| Confidentiality | Low | Low |
| Attack Vector | Network | Network |
| CVSS评分 | 5.3 | 3.1 |
| Attack Complexity | Low | High |
| Privileges Required | None | None |
| Scope | Unchanged | Unchanged |
| Integrity | None | None |
| User Interaction | None | Required |
| Availability | None | None |
| 公告名 | 概要 | 发布时间 |
|---|---|---|
| KylinSec-SA-2021-1320 | curl security update | 2021年8月20日 |
| 产品 | 包 | 状态 |
|---|---|---|
| KY3.4-4A | curl | Fixed |
