CVE-2021-22926

libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the CURLOPTSSLCERT option --cert with the command line tool.When libcurl is built to use the macOS native TLS library Secure Transport, an application can ask for the client certificat...

CVE-2021-22926

libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the CURLOPTSSLCERT option --cert with the command line tool.When libcurl is built to use the macOS native TLS library Secure Transport, an application can ask for the client certificat...

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...

Medium: curl

Issue Overview: A flaw was found in libcurl from versions 7.29.0 through 7.71.1. An application that performs multiple requests with libcurl's multi API, and sets the CURLOPTCONNECTONLY option, might experience libcurl using the wrong connection. The highest threat from this vulnerability is to...

CVE-2021-22926

CVE-2021-22926 affects curl/libcurl where using CURLOPT_SSLCERT can be spoofed when libcurl uses macOS Secure Transport. A writable current working directory attacker can cause the app to select a file-based cert over a named cert, resulting in the wrong client certificate being sent in TLS hands...

CVE-2021-22925

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...

Ubuntu 18.04 LTS / 20.04 LTS : curl vulnerabilities (USN-5021-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5021-1 advisory. Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line...

openSUSE 15 Security Update : curl (openSUSE-SU-2021:2439-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2439-1 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. %NASLMINLEVEL...

CVE-2021-22924

A flaw was found in libcurl in the way libcurl handles previously used connections without accounting for 'issuer cert' and comparing the involved paths case-insensitively. This flaw allows libcurl to use the wrong connection. The highest threat from this vulnerability is to confidentiality...

Bad connection reuse due to flawed path name checks

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse, if one of them matches the setup. Due to errors in the logic, the config matching function did not take 'issuer cert' into account and it compared the involved paths case insensitively, which could...

CURL-CVE-2021-22924 Bad connection reuse due to flawed path name checks

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse, if one of them matches the setup. Due to errors in the logic, the config matching function did not take 'issuer cert' into account and it compared the involved paths case insensitively, which could...

CVE-2021-22924

libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse, if one of them matches the setup.Due to errors in the logic, the config matching function did not take 'issuercert' into account and it compared the involved paths case insensitively,which could lead ...

[ASA-202107-61] libcurl-compat: multiple issues

Arch Linux Security Advisory ASA-202107-61 ========================================== Severity: Medium Date : 2021-07-21 CVE-ID : CVE-2021-22924 CVE-2021-22925 Package : libcurl-compat Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-2196 Summary ======= The package...

[ASA-202107-62] lib32-libcurl-compat: multiple issues

Arch Linux Security Advisory ASA-202107-62 ========================================== Severity: Medium Date : 2021-07-21 CVE-ID : CVE-2021-22924 CVE-2021-22925 Package : lib32-libcurl-compat Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-2197 Summary ======= The...

libcurl 资源管理错误漏洞

libcurl is a tool for transferring data from or to a server. A resource management error vulnerability exists in libcurl that stems from the presence of a logic error that could cause libcurl to reuse the wrong connection...

UBUNTU-CVE-2021-22924

libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse, if one of them matches the setup.Due to errors in the logic, the config matching function did not take 'issuercert' into account and it compared the involved paths case insensitively,which could lead ...

UBUNTU-CVE-2021-22925

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...

[ASA-202107-63] libcurl-gnutls: multiple issues

Arch Linux Security Advisory ASA-202107-63 ========================================== Severity: Medium Date : 2021-07-21 CVE-ID : CVE-2021-22924 CVE-2021-22925 Package : libcurl-gnutls Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-2198 Summary ======= The package...

[ASA-202107-64] lib32-libcurl-gnutls: multiple issues

Arch Linux Security Advisory ASA-202107-64 ========================================== Severity: Medium Date : 2021-07-21 CVE-ID : CVE-2021-22924 CVE-2021-22925 Package : lib32-libcurl-gnutls Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-2199 Summary ======= The...

curl: CVE-2021-22945: UAF and double-free in MQTT sending

Vulnerability Description libcurl version 7.77.0 has a Use-After-Free and a Double-Free in lib/mqtt.c in the function mqttdoing on lines 556 - 563: c ifmq-nsend / send the remainder of an outgoing packet / char ptr = mq-sendleftovers; result = mqttsenddata, mq-sendleftovers, mq-nsend; freeptr;...