CVE-2021-22898
Published Jun 11, 2021
Last updated 8 months ago
Overview
- Description
- curl 7.7 through 7.76.1 suffers from an information disclosure when the `-t` command line option, known as `CURLOPT_TELNETOPTIONS` in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEW_ENV variables, libcurl could be made to pass on uninitialized data from a stack based buffer to the server, resulting in potentially revealing sensitive internal information to the server using a clear-text network protocol.
- Source
- support@hackerone.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 3.1
- Impact score
- 1.4
- Exploitability score
- 1.6
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
- Severity
- LOW
CVSS 2.0
- Type
- Primary
- Base score
- 2.6
- Impact score
- 2.9
- Exploitability score
- 4.9
- Vector string
- AV:N/AC:H/Au:N/C:P/I:N/A:N
Social media
- Hype score
- Not currently trending
Configurations
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