#VU29098 Out-of-bounds read in TCP/IP stack


Published: 2020-06-17

Vulnerability identifier: #VU29098

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11905

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
TCP/IP stack
Other software / Other software solutions

Vendor: Treck

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in DHCPv6 component. A remote attacker on the local network can send a specially crafted packet, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TCP/IP stack: All versions


External links
http://ics-cert.us-cert.gov/advisories/icsa-20-168-01
http://treck.com/vulnerability-response-information/
http://kb.cert.org/vuls/id/257161


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability