CVE-2018-1050: Null Pointer Dereference
First published: Thu Jan 25 2018(Updated: )
A flaw was found in Samba. A null pointer indirection in the printer server process may lead to denial of service. Upstream bug: <a href="https://bugzilla.samba.org/show_bug.cgi?id=11343">https://bugzilla.samba.org/show_bug.cgi?id=11343</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/samba | <4.7.6 | 4.7.6 |
| redhat/samba | <4.6.14 | 4.6.14 |
| redhat/samba | <4.5.16 | 4.5.16 |
| debian/samba | 2:4.13.13+dfsg-1~deb11u6 2:4.17.12+dfsg-0+deb12u1 2:4.21.0+dfsg-1 2:4.21.1+dfsg-1 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =17.10 | |
| Samba | >=3.6.0<4.5.16 | |
| Samba | >=4.6.0<4.6.14 | |
| Samba | >=4.7.0<4.7.6 | |
| Debian | =7.0 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =17.10 | |
| Samba Common | >=3.6.0<4.5.16 | |
| Samba Common | >=4.6.0<4.6.14 | |
| Samba Common | >=4.7.0<4.7.6 |
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Reference Links
- http://www.securityfocus.com/bid/103387
- http://www.securitytracker.com/id/1040493
- https://access.redhat.com/errata/RHSA-2018:1860
- https://access.redhat.com/errata/RHSA-2018:1883
- https://access.redhat.com/errata/RHSA-2018:2612
- https://access.redhat.com/errata/RHSA-2018:2613
- https://access.redhat.com/errata/RHSA-2018:3056
- https://bugzilla.redhat.com/show_bug.cgi?id=1538771
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://lists.debian.org/debian-lts-announce/2018/03/msg00024.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
- https://security.gentoo.org/glsa/201805-07
- https://security.netapp.com/advisory/ntap-20180313-0001/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_us
- https://usn.ubuntu.com/3595-1/
- https://usn.ubuntu.com/3595-2/
- https://www.debian.org/security/2018/dsa-4135
- https://www.samba.org/samba/security/CVE-2018-1050.html
- https://bugzilla.samba.org/show_bug.cgi?id=11343
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1554754
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_us
- https://launchpad.net/bugs/cve/CVE-2018-1050
- https://security-tracker.debian.org/tracker/CVE-2018-1050
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1050
- https://nvd.nist.gov/vuln/detail/CVE-2018-1050
- https://ubuntu.com/security/CVE-2018-1050
Frequently Asked Questions
What is the severity of CVE-2018-1050?
CVE-2018-1050 has been classified as a medium-severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2018-1050?
To fix CVE-2018-1050, upgrading Samba to a patched version above 4.7.6 or applying a relevant security patch is recommended.
Which versions of Samba are affected by CVE-2018-1050?
All Samba versions from 4.0.0 onwards are affected by CVE-2018-1050.
What impact does CVE-2018-1050 have?
CVE-2018-1050 can potentially lead to a denial of service condition on the Samba printer server.
Is CVE-2018-1050 specific to any operating system?
CVE-2018-1050 affects multiple operating systems including Linux distributions that utilize Samba.
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