CVE-2015-5296

Published Dec 29, 2015

Last updated 19 days ago

Overview

Description
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.
Source
secalert@redhat.com
NVD status
Modified
Products
samba, debian_linux, ubuntu_linux

Risk scores

CVSS 3.1

Type
Primary
Base score
5.4
Impact score
2.7
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
4.3
Impact score
2.9
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:N/I:P/A:N

Weaknesses

nvd@nist.gov
CWE-20

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.