Buffer overflow

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

CVE-2021-41794

Open5GS CVE-2021-41794 affects Open5GS versions 1.0.0–2.3.3. The function ogs_fqdn_parse trusts a client-supplied length and uses it in a memcpy into a 100-byte stack buffer, enabling a buffer overflow when processing a PFCP Session Establishment Request with a crafted PDI Network Instance (e.g.,...

CVE-2021-41794

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

CVE-2021-41794: Buffer Copy without Checking Size of Input

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

New 5G Network Flaws Let Attackers Track Users' Locations and Steal Data

As 5G networks are being gradually rolled out in major cities across the world, an analysis of its network architecture has revealed a number of potential weaknesses that could be exploited to carry out a slew of cyber assaults, including denial-of-service DoS attacks to deprive subscribers of...