#VU83635 Heap-based buffer overflow in PTC products - CVE-2023-5908
Vulnerability identifier: #VU83635
Vulnerability risk: High
CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2023-5908
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Kepware KepServerEX
Server applications /
Other server solutions
ThingWorx Kepware Server
Server applications /
Other server solutions
ThingWorx Industrial Connectivity
Server applications /
Other server solutions
ThingWorx Kepware Edge
Server applications /
Other server solutions
OPC Aggregator
Server applications /
Other server solutions
Vendor: PTC
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a boundary error. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack or leak information.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Kepware KepServerEX: 6.14.263.0
ThingWorx Kepware Server: 6.14.263.0
ThingWorx Industrial Connectivity: All versions
ThingWorx Kepware Edge: 1.7
OPC Aggregator: 6.14
External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03
https://www.ptc.com/en/support/article/CS405439
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
