#VU49504 Out-of-bounds write


Published: 2021-01-12 | Updated: 2021-01-13

Vulnerability identifier: #VU49504

Vulnerability risk: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-28383

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software: Solid Edge
Client/Desktop applications / Other client software

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing PAR files. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Solid Edge: before SE2021MP2

CPE

External links
https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-979834.pdf


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.


Latest bulletins with this vulnerability