rdiffweb's unlimited username field length can lead to DoS

2022-09-2700:00:17

Google

osv.dev

rdiffweb

username field

dos vulnerability

version 2.4.8

memory consumption

memory corruption

patched

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

37.9%

JSON

rdiffweb prior to 2.4.8 is vulnerable to a potential Dos attack via an unlimited length “username” field. This can result in excess memory consumption, or memory corruption, leading to a Denial of Service (DoS). This issue is patched in version 2.4.8. There are no known workarounds.