CURL-CVE-2021-22897 Schannel cipher selection surprise

libcurl lets applications specify which specific TLS ciphers to use in transfers, using the option called CURLOPTSSLCIPHERLIST. The cipher selection is used for the TLS negotiation when a transfer is done involving any of the TLS based transfer protocols libcurl supports, such as HTTPS, FTPS,...

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...

Haxx libcurl 加密问题漏洞

HAXX Haxx libcurl is a free, open source client-side URL transport library from the Swedish company HAXX. The library supports FTP, FTPS, TFTP, HTTP and more. Haxx libcurl suffers from a cryptographic issue vulnerability that stems from the fact that libcurl allows applications to specify a...

HAXX libcurl 信息泄露漏洞

HAXX Haxx libcurl is a free, open source client-side URL transport library from the Swedish company HAXX. The library supports FTP, FTPS, TFTP, HTTP and more. An information disclosure vulnerability exists in HAXX libcurl, which stems from the fact that libcurl can pass uninitialized data from a...

PT-2021-3227 · Openssl +5 · Openssl +4

Name of the Vulnerable Software and Affected Versions: curl versions 7.75.0 through 7.76.1 MySQL Server version 5.7.34 and earlier MySQL Server version 8.0.25 and earlier Description: The issue is related to a use-after-free vulnerability, which can allow a remote attacker to potentially execute...

curl security and bug fix update

7.61.1-18 - http: send payload when proxy authentication is done 1918692 - curl: Inferior OCSP verification CVE-2020-8286 - libcurl: FTP wildcard stack overflow CVE-2020-8285 - curl: trusting FTP PASV responses CVE-2020-8284 7.61.1-17 - validate an ssl connection using an intermediate certificate...

Security Bulletin: IBM MQ is affected by a vulnerability within libcurl (CVE-2020-8284)

Summary An issue was found within cURL libcurl that IBM MQ uses. This issue could affect users of the CCDTURL feature. Vulnerability Details CVEID: CVE-2020-8284 DESCRIPTION: cURL libcurl could allow a remote attacker to obtain sensitive information, caused by improper validation of FTP PASV...

Huawei EulerOS: Security Advisory for curl (EulerOS-SA-2021-1868)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used

Libcurl offers a wildcard matching functionality, which allows a callback set with CURLOPTCHUNKBGNFUNCTION to return information back to libcurl on how to handle a specific entry in a directory when libcurl iterates over a list of all available entries. When this callback returns...

curl: Expired pointer dereference via multi API with CURLOPT_CONNECT_ONLY option set

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 data...

Debian DLA-2664-1 : curl security update

Viktor Szakats reported that libcurl, an URL transfer library, does not strip off user credentials from the URL when automatically populating the Referer HTTP request header field in outgoing HTTP requests. Sensitive authentication data may leak to the server that is the target of the second HTTP...

Debian: Security Advisory (DLA-2664-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] [DLA 2664-1] curl security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2664-1 [email protected] https://www.debian.org/lts/security/ Sylvain Beucler May 17, 2021 https://wiki.debian.org/LTS -...

EulerOS 2.0 SP3 : curl (EulerOS-SA-2021-1774)

According to the version of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification CURLOPTSSLVERIFYPEER, also disables the...

curl: CVE-2021-22901: TLS session caching disaster

Summary: lib/vtls/openssl.c osslconnectstep1 sets up the osslnewsessioncb sessionid callback with SSLCTXsesssetnewcb, and adds association from dataidx and connectdataidx to current conn and data respectively: SSLCTXsetsessioncachemodebackend-ctx, SSLSESSCACHECLIENT | SSLSESSCACHENOINTERNAL;...

PT-2021-5860 · Libcurl +1 · Libcurl +1

Name of the Vulnerable Software and Affected Versions: libcurl versions 7.61.0 through 7.76.1 Description: The issue is related to the implementation of the Transport Layer Security TLS protocol in the libcurl library, specifically with errors in security settings when using the CURLOPT SSL CIPHE...

curl: CVE-2021-22897: schannel cipher selection surprise

Summary: Commit "schannel: support selecting ciphers" added support for selecting the ciphers with SCHANNEL. However, due to use of a static algIds array for ciphers in setsslciphers the last configured cipher list will override configuration used by other connections, leading to potential wrong...

Fedora 33 : curl (2021-cab5c9befb)

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-cab5c9befb advisory. - curl 7.1.1 to and including 7.75.0 is vulnerable to an Exposure of Private Personal Information to an Unauthorized Actor by leaking credentials in...

FreeBSD : curl -- TLS 1.3 session ticket proxy host mixup (d10fc771-958f-11eb-9c34-080027f515ea)

Daniel Stenberg reports : Enabled by default, libcurl supports the use of TLS 1.3 session tickets to resume previous TLS sessions to speed up subsequent TLS handshakes. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they...

FreeBSD : curl -- Automatic referer leaks credentials (b1194286-958e-11eb-9c34-080027f515ea)

Daniel Stenberg reports : libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request. libcurl...