What is CVE-2018-1050?

CVE-2018-1050 is a medium-severity vulnerability in Samba, classified under NULL Pointer Dereference. CVSS score: 4.3/10. Published 2018-03-13.

How severe is CVE-2018-1050?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2018-1050 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Samba

CVE-2018-1050

All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.

EPSS: 0.066 (93.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Samba — versions All versions of Samba from 4.0.0 onwards
Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
Debian Debian_linux — versions 7.0, 8.0, 9.0
Redhat Enterprise_linux_desktop — versions 6.0, 7.0
Redhat Enterprise_linux_server — versions 6.0, 7.0
Redhat Enterprise_linux_workstation — versions 6.0, 7.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

wiseeyesent/cves

References

secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2018-1050?: CVE-2018-1050 is a medium-severity vulnerability in Samba, classified under NULL Pointer Dereference. CVSS score: 4.3/10. Published 2018-03-13.
How severe is CVE-2018-1050?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2018-1050 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.