#VU51586 Resource exhaustion in kopano-core
Published: March 21, 2021
Vulnerability identifier: #VU51586
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
kopano-core
kopano-core
Software vendor:
Kopano
Kopano
Description
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 currently unaware of any official solution to address this vulnerability.