SB2021032102 - Denial of service in kopano-core
Published: March 21, 2021
Security Bulletin ID
SB2021032102
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: N/A)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing HTTP headers in kopano-ical. A remote attacker can send overly long HTTP headers to the server, consume all available memory on the system resource and perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.