CVE-2020-8231: Use After Free

Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data...

Denial Of Service (DoS)

curl is vulnerable to denial of service DoS. The vulnerability exists through a FTP wildcard stack buffer overflow in libcurl...

Authorization Bypass

curl is vulnerable to authorization bypass. The vulnerability is present only if OpenSSL is the designated TLS backend. OCSP stapling is not enabled by default by libcurl, it needs to be explicitly enabled by the application to get used...

CVE-2020-8285

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...

CVE-2020-8284

A malicious server can use the PASV response to trick curl into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions. If cu...

CVE-2020-8286

Libcurl offers "OCSP stapling" via the CURLOPTSSLVERIFYSTATUS option. When set, libcurl verifies the OCSP response that a server responds with as part of the TLS handshake. It then aborts the TLS negotiation if something is wrong with the response. The same feature can be enabled with --cert-stat...

FTP wildcard stack overflow

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-CVE-2020-8286 Inferior OCSP verification

libcurl offers "OCSP stapling" via the CURLOPTSSLVERIFYSTATUS option. When set, libcurl verifies the OCSP response that a server responds with as part of the TLS handshake. It then aborts the TLS negotiation if something is wrong with the response. The same feature can be enabled with --cert-stat...

Inferior OCSP verification

libcurl offers "OCSP stapling" via the CURLOPTSSLVERIFYSTATUS option. When set, libcurl verifies the OCSP response that a server responds with as part of the TLS handshake. It then aborts the TLS negotiation if something is wrong with the response. The same feature can be enabled with --cert-stat...

CURL-CVE-2020-8285 FTP wildcard stack overflow

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...

HAXX libcurl security vulnerability

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. A security vulnerability exists in HAXX libcurl, which can be exploited by an attacker to trigger a denial of service by triggering a fata...

HAXX libcurl Information Disclosure Vulnerability

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 curl FTP PASV Responses An information disclosure vulnerability exists, which can be exploited by an attacker to bypass access...

HAXX libcurl 信任管理问题漏洞

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 trust management issue vulnerability that can be exploited by an attacker to act as a man-in-the-middle by performing...

NewStart CGSL CORE 5.05 / MAIN 5.05 : curl Vulnerability (NS-SA-2020-0098)

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has curl packages installed that are affected by a vulnerability: - A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1. CVE-2019-5436 Note that...

SUSE SLES12 Security Update : sane-backends (SUSE-SU-2020:3125-1)

This update for sane-backends fixes the following issues : sane-backends version upgrade to 1.0.31 : - sane-backends version upgrade to 1.0.30 fixes memory corruption bugs CVE-2020-12861, CVE-2020-12862, CVE-2020-12863, CVE-2020-12864, CVE-2020-12865, CVE-2020-12866, CVE-2020-12867 bsc1172524 -...

curl: Abusing URL Parsers by long schema name

Summary: There is known technique to exploit inconsistency of URL parser and URL requester logic to perform Server Side Request Forgery attack. Firstly it was presented by Orange Tsai at A New Era Of SSRF Exploiting URL Parser. Firstly I found the familiar issue at old versions of curl, but explo...

curl, libcurl security update

CentOS Errata and Security Advisory CESA-2020:5002 An update for curl is now available for Red Hat Enterprise Linux 7. 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...

Low: 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...

Moderate: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 7. 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...

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...