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...

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...

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...

[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...

Updated curl packages fix security vulnerabilities

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. CVE-2021-22876 TLS 1.3 session ticket...

HAXX libcurl man-in-the-middle attack vulnerability (CNVD-2021-31934)

HAXX libcurl is an open source client-side URL transport library from the Swedish company Haxx. It supports protocols such as FTP, SFTP, TFTP and HTTP. HAXX libcurl suffers from a man-in-the-middle attack vulnerability that can be exploited by an attacker to act as a man-in-the-middle by...

CVE-2021-22890

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived...

DEBIAN-CVE-2021-22890

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived...

CVE-2021-22890

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived...

CVE-2021-22876

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 the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header...

Design/Logic Flaw

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived...

Cross site request forgery (csrf)

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 the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header...

CVE-2021-22890

CVE-2021-22890 affects curl 7.63.0 through 7.75.0. When using TLS 1.3 with an HTTPS proxy, libcurl could confuse TLS session tickets from the proxy as if they came from the remote server, potentially causing the host’s session ticket to be resumed incorrectly and bypass server certificate checks,...