A recent cybersecurity report revealed the patching of at least four vulnerabilities in SonicOS, the operating system with which multiple solutions developed by the technology firm SonicWall work. According to this report, the successful exploitation of these flaws would have allowed threat actors to deploy multiple cyberattacks.

Below are brief descriptions of the reported flaws, as well as their tracking keys and scores assigned under the Common Vulnerability Scoring System (CVSS).

CVE-2022-22275: Improper processing of incoming HTTP/S traffic from WAN to DMZ would allow remote threat actors to evade security policy until tcp handshake is complete, triggering a denial of service (DoS) attack.

This is a flaw of medium severity and received a CVSS score of 5.1/10.

CVE-2022-22276: The configured SNMP service remains accessible to external users even if SNMP is disabled on the firewall interfaces, so malicious hackers can connect to the SNMP service, accessing information that would otherwise remain restricted.

The flaw received a CVSS score of 4.6/10.

CVE-2022-22277: SNMP-Reply includes SSID Password in clear text, which would allow remote attackers with the ability to intercept network traffic to gain access to sensitive data.

This is a low-severity bug and received a CVSS score of 3.8/10.

CVE-2022-22278: This flaw exists because the Content Filtering Service (CFS) in SonicOS returns a huge “HTTP 403 forbidden” message to the source address when users try to access resources prohibited by the CFS function.

Remote threat actors can send multiple requests to the system that trigger the 403 error and consume all available bandwidth, leading to a DoS condition. The flaw received a CVSS score of 4.6/10.

According to the report, the flaws reside in all SonicOS versions between 6.5 and 7.0.1.0-5030-1391.

While this vulnerability could be exploited by unauthenticated remote threat actors, no active exploitation attempts or the existence of an attack variant related to the attack have been detected so far. Still, users of affected deployments are encouraged to apply the available patches.

To learn more about information security risks, malware variants, vulnerabilities and information technologies, feel free to access the International Institute of Cyber Security (IICS) websites.

The post 4 new vulnerabilities in SonicWall SonicOS affect firewalls and other security products: Patch immediately appeared first on Information Security Newspaper | Hacking News.

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