#VU51748 Input validation error in postsrsd

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Main Vulnerability Database Vulnerabilities #VU51748

#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
Software vendor:
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.

External links