CVE-2020-14929 Information

Description

Alpine before 2.23 silently proceeds to use an insecure connection after a /tls is sent in certain circumstances involving PREAUTH which is a less secure behavior than the alternative of closing the connection and letting the user decide what they would like to do.

CVSS Vector

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

Reference

http://mailman13.u.washington.edu/pipermail/alpine-info/2020-June/008989.html https://lists.debian.org/debian-lts-announce/2020/06/msg00025.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YFXQGKZZMP3VSTLZVO5Z7Z6USYIW37A6/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJLY6JDVGDNAJZ3UQDWYWSDBWOAOXMNX/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5