CVE-2022-37240

MDaemon Technologies SecurityGateway for Email Servers 8.5.2 is vulnerable to HTTP Response splitting via the format parameter

published August 25, 2022

CVSS
—
EPSS
1%
Percentile
72.7
In the wild
Unconfirmed
What it is

⚠️ A sneaky HTTP Response Splitting vulnerability lurks in SecurityGateway for Email Servers 8.5.2! An attacker can exploit the format parameter to mess with your server's responses. 🔥 Think of it like a restaurant that serves a menu with confusing instructions; an attacker could order a meal and sneak in a second order without the waiter realizing it. That's how this vulnerability allows malicious content to be split into response headers, potentially leading to unexpected behaviors! If exploited, an attacker could manipulate user responses, leading to session hijacking or unwanted redirects. This can create a seriously confusing environment for your email communications, as attackers could trick users into malicious actions—yikes!

Put simply

Think of it like a restaurant that serves a menu with confusing instructions; an attacker could order a meal and sneak in a second order without the waiter realizing it. That's how this vulnerability allows malicious content to be split into response headers, potentially leading to unexpected behaviors! This vulnerability occurs due to improper handling of HTTP response headers in SecurityGateway, allowing an attacker to inject additional headers by manipulating the format parameter. This can lead to unintended consequences like cache poisoning or cross-site scripting (XSS).

What to do

If exploited, an attacker could manipulate user responses, leading to session hijacking or unwanted redirects. This can create a seriously confusing environment for your email communications, as attackers could trick users into malicious actions—yikes! To mitigate this issue, make sure to update SecurityGateway to version 8.5.3 or later, which addresses the HTTP Response Splitting vulnerability. Additionally, consider implementing input validation to sanitize user inputs for all parameters that affect HTTP responses. You've got this! Take these steps, and you'll have your email server safe and sound in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01424 · 72.7th percentile
Published
2022-08-25T14:56Z
EPSS history
Timeline
  • 25 AUG 14:56Z
    MDaemon Technologies SecurityGateway for Email Servers 8.5.2 is vulnerable to HTTP Response splitting via the format parameter
    cvelistv5