synced 12 MIN AGO
01 Record

CVE-2017-12163

An information leak flaw was found in the way SMB1 protocol was implemented by Samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8. A malicious client could use this flaw to dump server

MediumPUBLISHEDCNA: redhat
CNA base score4.1 CVSS v3.xCVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

02 Description

An information leak flaw was found in the way SMB1 protocol was implemented by Samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8. A malicious client could use this flaw to dump server

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
7.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 94.2% of scored records. A rank, not a probability.
NVD base score
7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-07-26 16:00Z8 YR AGO
Last updated
2024-08-05 18:28Z2 YR AGO
Reserved
2017-08-01
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Medium (CVSS 4.1)
CNA CVSS vector
CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weaknesses
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
Data version
5.1
Document digest
7ac648beacea9a7729340d6c6ec3f2eba0b4c976e43453e2968ecaf63011ef9b

05 Affected products

VendorProductVersionsPlatforms
SambaSamba4.7, 4.6.8, 4.5.14, 4.4.16—

06 References

07 Fixed in

Debian 12

  • samba
    Fixed in 2:4.6.7+dfsg-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • samba
    Fixed in 2:4.6.7+dfsg-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • samba
    Fixed in 2:4.6.7+dfsg-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • samba
    Fixed in 2:4.3.11+dfsg-0ubuntu0.14.04.12

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • samba
    Fixed in 2:4.3.11+dfsg-0ubuntu0.16.04.11

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.