Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2021-45960)

In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g., allocating too few bytes, or only freeing memory. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot fo...

Siemens SIMATIC S7-1500 Divide By Zero (CVE-2019-16168)

In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlitestat1 sz field, aka a severe division by zero in the query planner. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2019-19926)

multiSelect in select.c in SQLite 3.30.1 mishandles certain errors during parsing, as demonstrated by errors from sqlite3WindowRewrite calls. NOTE: this vulnerability exists because of an incomplete fix for CVE-2019-19880. This plugin only works with Tenable.ot. Please visit...

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 Improper Neutralization of CRLF Sequences (CVE-2019-9740)

An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n specifically in the query string after a ? charact...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2023-45918)

ncurses 6.4-20230610 has a NULL pointer dereference in tgetstr in tinfo/libtermcap.c. 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 description scriptid504218;...

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 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 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 Cleartext Transmission of Sensitive Information (CVE-2022-43551)

A vulnerability exists in curl 7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. However, the HSTS mechanism could be bypasse...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2023-4527)

A flaw was found in glibc. When the getaddrinfo function is called with the AFUNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data...

Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2021-22946)

A user can tell curl = 7.20.0 and = 7.20.0 and = 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server --ssl- reqd on the command line orCURLOPTUSESSL set to CURLUSESSLCONTROL or CURLUSESSLALL withlibcurl. This requirement...

Siemens SIMATIC S7-1500 Incorrect Calculation of Buffer Size (CVE-2025-0395)

When the assert function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition (CVE-2018-14567)

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service infinite loop via a crafted XML file that triggers LZMAMEMLIMITERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2020-8492)

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service ReDoS attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. This plugin...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-25315)

In Expat aka libexpat before 2.4.5, there is an integer overflow in storeRawNames. 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 description scriptid503971;...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2021-46195)

GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service DoS by consuming excessive CPU and memory resources. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2020-13434)

SQLite through 3.32.0 has an integer overflow in sqlite3strvappendf in printf.c. 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 description scriptid504226;...

Siemens SIMATIC S7-1500 Improper Resource Locking (CVE-2024-26773)

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4mbtrybestfound. 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 Observable Discrepancy (CVE-2020-14145)

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts where no host key for the server has been cached by the client. NOTE: some reports...