Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2021-29450PUBLISHED: 2021-04-15
Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It...
CVE-2021-21405PUBLISHED: 2021-04-15
Lotus is an Implementation of the Filecoin protocol written in Go. BLS signature validation in lotus uses blst library method VerifyCompressed. This method accepts signatures in 2 forms: "serialized", and "compressed", meaning that BLS signatures can be provided as either of 2 un...
CVE-2021-29430PUBLISHED: 2021-04-15
Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user could send an HTTP request with a very large body, leading to memory exhaustion and denial of service. Sydent also does not limit response size for requests it mak...
CVE-2021-29431PUBLISHED: 2021-04-15
Sydent is a reference Matrix identity server. Sydent can be induced to send HTTP GET requests to internal systems, due to lack of parameter validation or IP address blacklisting. It is not possible to exfiltrate data or control request headers, but it might be possible to use the attack to perform a...
CVE-2021-29432PUBLISHED: 2021-04-15Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. This issue has been fixed in 4469d1d.
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User Rank: Strategist
1/30/2019 | 3:40:31 PM
It may be fashionable to claim there is no longer a network perimeter but I still strongly favor using the border router as a "garbage filter".
The BOGONs list? - Drop them all. Invalid TCP flag combinations - Drop. No Telnet in your environment? No FTP? No RDP? - Block them all at the border router.
As mentioned in the post, the NGFW should take care of the deep packet inspection for only the traffic you potentially want inside your network. That firewall should see very little traffic except for the known IPs, ports and protocols which are candidates to be allowed all the way in.
And an outbound ACL (a.k.a. egress filtering) is a very powerful weapon against data exfiltration and many types of malware. You may still have a Trojan but if it can't phone home......