CVE-2018-1050
Medium
Description
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Samba
PublishedMar 13, 2018
First seenMar 13, 2018
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- samba samba4.5.16, 4.6.14, 4.7.6 or later
Vendor advisories
- usn.ubuntu.com/3595-2/
- access.redhat.com/errata/RHSA-2018:2613
- access.redhat.com/errata/RHSA-2018:2612
- access.redhat.com/errata/RHSA-2018:1883
- debian.org/security/2018/dsa-4135
- usn.ubuntu.com/3595-1/
- access.redhat.com/errata/RHSA-2018:1860
- access.redhat.com/errata/RHSA-2018:3056
- security.gentoo.org/glsa/201805-07
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| samba samba | 3.6.0 ≤ v < 4.5.16, 4.6.0 ≤ v < 4.6.14, 4.7.0 ≤ v < 4.7.6 | 4.5.16, 4.6.14, 4.7.6 |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 17.10 | — |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
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