Siemens SIMATIC S7-1500 Use After Free (CVE-2023-45322)

libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-9169)

In the GNU C Library aka glibc or libc6 through 2.29, proceednextnode in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Reachable Assertion (CVE-2024-33601)

nscd: netgroup cache may terminate daemon on memory allocation failure The Name Service Cache Daemon's nscd netgroup cache uses xmalloc or xrealloc and these functions may terminate the process due to a memory allocation failure resulting in a denial of service to the clients. The flaw was...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2024-56570)

In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovldentryweird function to prevent the processing of directory inodes that lack the lookup function.This is important because such inodes can cause errors...

Siemens SIMATIC S7-1500 Incomplete Cleanup (CVE-2024-26835)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: set dormant flag on hook register failure 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 After Free (CVE-2024-26957)

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: fix reference counting on zcrypt card objects. 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 Improper Input Validation (CVE-2023-24329)

An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2021-3580)

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-23852)

Expat aka libexpat before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXTBYTES. 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 Allocation of Resources Without Limits or Throttling (CVE-2017-18258)

The xzhead function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service memory consumption via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file. This plugin only works with Tenable.o...

Siemens SIMATIC S7-1500 Improper Certificate Validation (CVE-2021-22926)

libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the CURLOPTSSLCERT option --cert with the command line tool.When libcurl is built to use the macOS native TLS library Secure Transport, an application can ask for the client certificat...

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 NULL Pointer Dereference (CVE-2025-21864)

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

Siemens SIMATIC S7-1500 Improper Link Resolution Before File Access (CVE-2021-28153)

An issue was discovered in GNOME GLib before 2.66.8. When gfilereplace is used with GFILECREATEREPLACEDESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is...

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 Race Condition (CVE-2025-21701)

net: vulnerability arises because unregisternetdevicemanynotify might run before the rtnl lock section of ethnl operations, leading to potential use of destroyed locks, which is fixed by denying operations on devices being unregistered. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC and SCALANCE Improper Input Validation (CVE-2024-7264)

libcurl's ASN1 parser code has the GTime2str function, used for parsing an ASN.1 Generalized Time field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the time fraction, leading to a strlen getting performed on a pointer to a heap buffer area that i...

Siemens SIMATIC S7-1500 Use After Free (CVE-2024-53165)

In the Linux kernel, the following vulnerability has been resolved: sh: intc: Fix use-after-free bug in registerintccontroller In the error handling for this function, d is freed without ever removing it from intclist which would lead to a use after free. To fix this, let's only add it to the lis...

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 Improper Certificate Validation (CVE-2024-2379)

libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the verification and returns OK, thus ignoring any certificate problems. This plugin only works wi...