CVE-2023-26434

Published Jun 20, 2023

Last updated 3 months ago

Overview

Description
When adding an external mail account, processing of POP3 "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue POP3 service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted POP3 server response to reasonable length/size. No publicly available exploits are known.
Source
security@open-xchange.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
4.3
Impact score
1.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Severity
MEDIUM

Weaknesses

security@open-xchange.com
CWE-400
nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending

Configurations