Siemens SIMATIC S7-1500 Use After Free (CVE-2024-53166)

block, bfq: bfqq uaf in bfqlimitdepth Set new allocated bfqq to bic or remove freed bfqq from bic are both protected by bfqd-lock, however bfqlimitdepth is deferencing bfqq from bic without the lock, this can lead to UAF if the iocontext is shared by multiple tasks. This plugin only works with...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2020-12062)

The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user on the remote server to overwrite arbitrary files in the client's download directory by creating a crafted subdirectory anywhere on the...

Siemens SIMATIC S7-1500 Insecure Temporary File (CVE-2024-5742)

A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privilege...

Siemens SIMATIC S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2023-52464)

"In the Linux kernel, the following vulnerability has been resolved: EDAC/thunderx: Fix possible out-of-bounds string access Enabling -Wstringop-overflow globally exposes a warning for a common bug in the usage of strncat: drivers/edac/thunderxedac.c: In function 'thunderxocxcomthreadedisr':...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2019-5094)

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability. This plugin only...

Siemens SIMATIC and SCALANCE Buffer Underflow (CVE-2025-4373)

GLib is vulnerable to an integer overflow in the gstringinsertunichar function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2024-2004)

When a protocol selection parameter option disables all protocols without adding any then the default set of protocols would remain in the allowed set due to an error in the logic for removing protocols. The below command would perform a request to curl.se with a plaintext protocol which has been...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-25314)

In Expat aka libexpat before 2.4.5, there is an integer overflow in copyString. 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 scriptid504215;...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2024-45492)

An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for mgroupSize on 32-bit platforms where UINTMAX equals SIZEMAX. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC and SCALANCE Improper Input Validation (CVE-2025-3360)

Describe what is the vulnerability about, e.g.: Affected devices do not properly validate input in the hack-me endpoint of the web service. 2. Describe what an attacker could do with it - e.g.: This could allow an unauthenticated remote attacker to execute arbitrary code on the device. This...

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...

Siemens SIMATIC and SCALANCE Improper Certificate Validation (CVE-2024-8096)

When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine. If the returned status reports another error tha...

Siemens SIMATIC S7-1500 Use After Free (CVE-2024-56606)

afpacket: avoid erroring out after sockinitdata in packetcreate After sockinitdata the allocated sk object is attached to the provided sock object. On error, packetcreate frees the sk object leaving the dangling pointer in the sock object on return. Some other code may try to use this pointer and...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2023-52927)

netfilter: allow exp not to be removed in nfctfindexpectation Currently nfconntrackin calling nfctfindexpectation will remove the exp from the hash table. However, in some scenario, we expect the exp not to be removed when the created ct will not be confirmed, like in OVS and TC conntrack in the...

Siemens SIMATIC S7-1500 Use After Free (CVE-2021-3516)

There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 Stack-based Buffer Overflow (CVE-2024-33599)

nscd: Stack-based buffer overflow in netgroup cache If the Name Service Cache Daemon's nscd fixed size cache is exhausted by client requests then a subsequent client request for netgroup data may result in a stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cache was...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2020-25692)

A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service. This plugin only works with...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2024-36934)

In the Linux kernel, the following vulnerability has been resolved: bna: ensure the copied buf is NUL terminated Currently, we allocate a nbytes-sized kernel buffer and copy nbytes from userspace to that buffer. Later, we use sscanf on this buffer but we don't ensure that the string is terminated...

Siemens SIMATIC S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2019-20388)

xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak. 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...

Siemens SIMATIC S7-1500 Exposure of Sensitive Information to an Unauthorized Actor (CVE-2020-8284)

A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier 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...