#VU51748 Input validation error in postsrsd
Published: March 28, 2021
Vulnerability identifier: #VU51748
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/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-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
postsrsd
postsrsd
Software vendor:
roehling (Timo Röhling)
roehling (Timo Röhling)
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing an overly long email address. A remote attacker can trick PostFix to pass a whole list of addresses as single query to PostSRSd and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.