curl: CVE-2023-27533: Telnet option IAC injection

A vulnerability existed in the CURLOPTTELNETOPTIONS option of the cURL library, which allowed an attacker to inject unintended TELNET commands to the telnet connection by escaping out of the telnet subnegotiation. This could allow the attacker to execute arbitrary OS commands on the target system...

Ubuntu 16.04 ESM : curl vulnerabilities (USN-5894-1)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5894-1 advisory. Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line. Uninitialized...

AZL-6363 CVE-2021-22925 affecting package curl for versions less than 7.76.0-5

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

Stack overflow

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

CVE-2021-22925

CVE-2021-22925 affects curl/libcurl’s TELNET OPTION handling (-t / CURLOPT_TELNETOPTIONS). A flaw in the option parser for NEW_ENV variables can cause uninitialized data from a stack buffer to be sent to the server, due to incorrect sscanf usage when parsing the provided string. This could reveal...

CVE-2021-22898

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

Stack overflow

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

CVE-2021-22898

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...