IBM Aspera Faspex 5.0.5 IP Restriction Bypass via Misconfigured Access Control
CVE-2023-35906 Published on September 5, 2023
IBM Aspera Faspex security bypass
IBM Aspera Faspex 5.0.5 could allow a remote attacked to bypass IP restrictions due to improper access controls. IBM X-Force ID: 259649.
Vulnerability Analysis
CVE-2023-35906 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
Reliance on IP Address for Authentication
The software uses an IP address for authentication. IP addresses can be easily spoofed. Attackers can forge the source IP address of the packets they send, but response packets will return to the forged IP address. To see the response packets, the attacker has to sniff the traffic between the victim machine and the forged IP address. In order to accomplish the required sniffing, attackers typically attempt to locate themselves on the same subnet as the victim machine. Attackers may be able to circumvent this requirement by using source routing, but source routing is disabled across much of the Internet today. In summary, IP address verification can be a useful part of an authentication scheme, but it should not be the single factor required for authentication.
Products Associated with CVE-2023-35906
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Affected Versions
IBM Aspera Faspex:- Version 5.0.5 is affected.
- Version 5.0.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.