Vulnerability Monitor

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CVE-2019-5021

Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to be the result of a regression introduced in December of 2015. Due to the nature of this issue, systems deployed using affected versions of the Alpine Linux container which utilize Linux PAM, or some other mechanism which uses the system shadow file as an authentication database, may accept a NULL password for the `root` user.

Published

2019-05-08T17:29:01.490

Last Modified

2024-11-21T04:44:12.227

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-258
Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gliderlabs	docker-alpine	≥ 3.3	Yes
Operating System	alpinelinux	alpine_linux	-	No
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	15.1	Yes
Application	f5	big-ip_controller	1.2.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/108288 Broken Link ([email protected])
https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20190510-0001/ Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K25551452 Third Party Advisory ([email protected])
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782 Exploit, Mitigation, Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/108288 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190510-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K25551452 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782 Exploit, Mitigation, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)