CVE-2021-22898
Public on 2021-06-11
Modified on 2021-09-15
Description
A flaw was found in the way curl handled telnet protocol option for sending environment variables, which could lead to sending of uninitialized data from a stack-based buffer to the server. This issue leads to potentially revealing sensitive internal information to the server using a clear-text network protocol.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | curl | 2021-07-08 | ALAS-2021-1509 | Fixed |
| Amazon Linux 2 - Core | curl | 2021-06-16 | ALAS2-2021-1653 | Fixed |
| Amazon Linux 2 - Core | curl | 2021-09-08 | ALAS2-2021-1700 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | CVSSv2 | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |
| NVD | CVSSv3 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |