Siemens SIMATIC S7-1500 Use After Free (CVE-2022-43552)

curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can and often do deny such tunnel operations using an appropriate HTTP error response code. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struc...

Siemens SIMATIC S7-1500 Exposure of Sensitive Information to an Unauthorized Actor (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 fiel...

Siemens SIMATIC S7-1500 Insufficiently Protected Credentials (CVE-2022-27774)

An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an attacker to extract credentials when follows HTTPS redirects is used with authentication could leak credentials to other services that exist on different protocols ...

Siemens SIMATIC S7-1500 Exposure of Resource to Wrong Sphere (CVE-2021-22897)

curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPTSSLCIPHERLIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single static variable in the library, which has the surprising...

Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2022-42916)

In curl before 7.86.0, the HSTS check could be bypassed to trick it into staying with HTTP. Using its HSTS support, curl can be instructed to use HTTPS directly instead of using an insecure cleartext HTTP step even when HTTP is provided in the URL. This mechanism could be bypassed if the host nam...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2022-27779)

libcurl wrongly allows cookies to be set for Top Level Domains TLDs if thehost name is provided with a trailing dot.curl can be told to receive and send cookies. curl's cookie engine can bebuilt with or without Public Suffix Listawareness. If PSL support not provided, a more rudimentary check...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2019-5435)

An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2020-8285)

curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

Siemens SIMATIC S7-1500 Use of Uninitialized Resource (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...

Siemens SIMATIC S7-1500 Insufficiently Protected Credentials (CVE-2021-22923)

When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often...

Siemens RUGGEDCOM APE1808, SIMATIC S7-1500 External Control of File Name or Path (CVE-2023-38546)

This flaw allows an attacker to insert cookies at will into a running program using libcurl, if the specific series of conditions are met. libcurl performs transfers. In its API, an application creates easy handles that are the individual handles for single transfers. libcurl provides a function...

Siemens SIMATIC S7-1500 Improper Limitation of a Pathname to a Restricted Directory (CVE-2023-27534)

A path traversal vulnerability exists in curl 8.0.0 SFTP implementation causes the tilde character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can...

Siemens SIMATIC S7-1500 Authentication Bypass by Spoofing (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...

Siemens SIMATIC S7-1500 Stack-based Buffer Overflow (CVE-2022-35260)

curl can be told to parse a .netrc file for credentials. If that file endsin a line with 4095 consecutive non-white space letters and no newline, curlwould first read past the end of the stack-based buffer, and if the readworks, write a zero byte beyond its boundary.This will in most cases cause ...

Siemens SIMATIC S7-1500 Double Free (CVE-2022-42915)

curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTPS URL, it sets up the connection to the remote server by issuing a CONNECT request to the proxy, and then tunnels the rest of the protocol through. An HTTP proxy might refuse this request HTTP...

Siemens SIMATIC S7-1500 Allocation of Resources Without Limits or Throttling (CVE-2023-23916)

An allocation of resources without limits or throttling vulnerability exists in curl v7.88.0 based on the chained HTTP compression algorithms, meaning that a server response can be compressed multiple times and potentially with differentalgorithms. The number of acceptable links in this...

Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2023-23915)

A cleartext transmission of sensitive information vulnerability exists in curl v7.88.0 that could cause HSTS functionality to behave incorrectly when multiple URLs are requested in parallel. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Improper Input Validation (CVE-2023-46218)

This flaw allows a malicious HTTP server to set super cookies in curl that are then passed back to more origins than what is otherwise allowed or possible. This allows a site to set cookies that then would get sent to different and unrelated sites and domains. It could do this by exploiting a mix...

Photon OS 4.0: Curl PHSA-2025-4.0-0903

An update of the curl package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2025-4.0-0903. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2023-23914)

A cleartext transmission of sensitive information vulnerability exists in curl v7.88.0 that could cause HSTS functionality fail when multiple URLs are requested serially. Using its HSTS support, curl can be instructed to use HTTPS instead of usingan insecure clear-text HTTP step even when HTTP is...