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CVE-2021-22898 Details

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NameCVE-2021-22898
StatusCandidate
Descriptioncurl 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.
ReferencesMISC: https://curl.se/docs/CVE-2021-22898.html
URL: https://curl.se/docs/CVE-2021-22898.html
MISC: https://github.com/curl/curl/commit/39ce47f219b09c380b81f89fe54ac586c8db6bde
URL: https://github.com/curl/curl/commit/39ce47f219b09c380b81f89fe54ac586c8db6bde
MISC: https://hackerone.com/reports/1176461
URL: https://hackerone.com/reports/1176461
PhaseAssigned (20210106)
VotesNone (candidate not yet proposed)
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