The vulnerability in the implementation of the STARTTLS protocol for the software interface with servers allows a perpetrator to carry out “man-in-the-middle” attacks.

The vulnerability of the STARTTLS protocol implementation in the software for interacting with servers via cURL is related to insufficient authentication checks. Exploiting this vulnerability allows a remote attacker to carry out “man-in-the-middle” attacks...

curl: Incorrect fix for CVE-2021-22898 TELNET stack contents disclosure

A flaw was found in the way curl handled telnet protocol option for sending environment variables, which could lead to sending of uninitialized data from a stack-based buffer to the server. This issue leads to potentially revealing sensitive internal information to the server using a clear-text...

Moderate: Red Hat Security Advisory: curl security and bug fix update

An update for curl is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

curl: Leak of authentication credentials in URL via automatic Referer

It was discovered that libcurl did not remove authentication credentials from URLs when automatically populating the Referer HTTP request header while handling HTTP redirects. This could lead to exposure of the credentials to the server to which requests were redirected...

curl: TELNET stack contents disclosure

A flaw was found in the way curl handled telnet protocol option for sending environment variables, which could lead to sending of uninitialized data from a stack-based buffer to the server. This issue leads to potentially revealing sensitive internal information to the server using a clear-text...

RLSA-2021:4511 Moderate: curl security and bug fix update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: Leak of authentication credentials in URL via automatic Referer CVE-2021-22876 curl: TELNET stack contents disclosure...

ALSA-2021:4511 Moderate: curl security and bug fix update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: Leak of authentication credentials in URL via automatic Referer CVE-2021-22876 curl: TELNET stack contents disclosure...

Moderate: curl security and bug fix update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: Leak of authentication credentials in URL via automatic Referer CVE-2021-22876 curl: TELNET stack contents disclosure...

CVE-2021-22926 affecting package curl 7.76.0-9

CVE-2021-22926 affecting package curl 7.76.0-9. A patched version of the package is available...

Fedora: Security Advisory for curl (FEDORA-2021-1d24845e93)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Huawei EulerOS: Security Advisory for curl (EulerOS-SA-2021-2627)

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...

CentOS 8 : curl (CESA-2021:4059)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4059 advisory. - curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols CVE-2021-22946 - curl: Server responses received before STARTTLS...

curl: Server responses received before STARTTLS processed after TLS handshake

A flaw was found in curl. The flaw lies in how curl handles cached or pipelined responses that it receives from either a IMAP, POP3, SMTP or FTP server before the TLS upgrade using STARTTLS. In such a scenario curl even after upgrading to TLS would trust these cached responses treating them as...

curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols

A flaw was found in curl. This flaw lies in the --ssl-reqd option or related settings in libcurl. Users specify this flag to upgrade to TLS when communicating with either IMAP, POP3 or a FTP server. An attacker controlling such servers could return a crafted response which could lead to curl clie...

Moderate: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

curl security update

An update is available for curl. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The curl packages provide the libcurl library and the curl utility for downloadi...

Moderate: curl security update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols CVE-2021-22946 curl: Server responses...

RLSA-2021:4059 Moderate: curl security update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols CVE-2021-22946 curl: Server responses...

RHEL 8 : curl (RHSA-2021:4059)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4059 advisory. The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTT...

Oracle Linux 8 : curl (ELSA-2021-4059)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4059 advisory. - fix STARTTLS protocol injection via MITM CVE-2021-22947 Tenable has extracted the preceding description block directly from the Oracle Linux security...