Siemens SPPA-T3000 MS3000 Migration Server Service Port 5010 Crafted Packet heap-based overflow

Summaryinfo

A vulnerability was found in Siemens SPPA-T3000 MS3000 Migration Server. It has been declared as critical. The impacted element is an unknown function of the component Service Port 5010. The manipulation as part of Crafted Packet results in heap-based overflow. This vulnerability is reported as CVE-2019-18327. The attack can be launched remotely. No exploit exists. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Siemens SPPA-T3000 MS3000 Migration Server (SCADA Software) (version now known). Affected is some unknown processing of the component Service Port 5010. The manipulation as part of a Crafted Packet leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SPPA-T3000 MS3000 Migration Server (All versions). An attacker with network access to the MS3000 Server can cause a Denial-of-Service condition and potentially gain remote code execution by sending specifically crafted packets to 5010/tcp. This vulnerability is independent from CVE-2019-18323, CVE-2019-18324, CVE-2019-18325, CVE-2019-18326, CVE-2019-18328, CVE-2019-18329, and CVE-2019-18330. Please note that an attacker needs to have network access to the MS3000 in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

The weakness was disclosed 12/12/2019. This vulnerability is traded as CVE-2019-18327 since 10/23/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/11/2024).

It is possible to mitigate the weakness by firewalling tcp/5010.

The entries VDB-147135, VDB-147134, VDB-147133 and VDB-147131 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• SCADA Software

Vendor

• Siemens

Name

• SPPA-T3000 MS3000 Migration Server

License

• commercial

Website

• Vendor: https://www.siemens.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion