CVE-2018-10858: Buffer Overflow
First published: Mon Aug 06 2018(Updated: )
A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/samba | <4.6.16 | 4.6.16 |
| redhat/samba | <4.7.9 | 4.7.9 |
| redhat/samba | <4.8.4 | 4.8.4 |
| ubuntu/samba | <2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 |
| ubuntu/samba | <2:4.3.11+dfsg-0ubuntu0.14.04.16 | 2:4.3.11+dfsg-0ubuntu0.14.04.16 |
| ubuntu/samba | <4.6.16<4.7.9<4.8.4 | 4.6.16 4.7.9 4.8.4 |
| ubuntu/samba | <2:4.3.11+dfsg-0ubuntu0.16.04.15 | 2:4.3.11+dfsg-0ubuntu0.16.04.15 |
| debian/samba | 2:4.13.13+dfsg-1~deb11u6 2:4.17.12+dfsg-0+deb12u1 2:4.21.0~rc1+really4.20.4+dfsg-1 | |
| Debian | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Samba | <4.6.16 | |
| Samba | >=4.7.0<4.7.9 | |
| Samba | >=4.8.0<4.8.4 | |
| Red Hat Enterprise Virtualization | =4.0 | |
| Red Hat Virtualization Host EUS | =4.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
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Reference Links
- http://www.securityfocus.com/bid/105085
- http://www.securitytracker.com/id/1042002
- 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://access.redhat.com/errata/RHSA-2018:3470
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10858
- https://kc.mcafee.com/corporate/index?page=content&id=SB10284
- https://security.gentoo.org/glsa/202003-52
- https://security.netapp.com/advisory/ntap-20180814-0001/
- https://usn.ubuntu.com/3738-1/
- https://www.debian.org/security/2018/dsa-4271
- https://www.samba.org/samba/security/CVE-2018-10858.html
- https://kc.mcafee.com/corporate/index?page=content&id=SB10284
- https://launchpad.net/bugs/cve/CVE-2018-10858
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1618697
- https://bugzilla.redhat.com/show_bug.cgi?id=1612805
- https://security-tracker.debian.org/tracker/CVE-2018-10858
- https://ubuntu.com/security/notices/USN-3738-1
- https://www.cve.org/CVERecord?id=CVE-2018-10858
- https://nvd.nist.gov/vuln/detail/CVE-2018-10858
- https://ubuntu.com/security/CVE-2018-10858
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2018-10858.
What is the severity of CVE-2018-10858?
The severity of CVE-2018-10858 is high with a severity value of 8.8.
What is the affected software?
The affected software includes Samba versions before 4.6.16, 4.7.9, and 4.8.4, as well as certain versions of Debian and Ubuntu Linux, Redhat Virtualization, and Redhat Enterprise Linux.
How can the vulnerability CVE-2018-10858 be exploited?
The vulnerability CVE-2018-10858 can be exploited by a malicious Samba server to cause arbitrary code execution on a Samba client.
Where can I find more information about CVE-2018-10858?
More information about CVE-2018-10858 can be found at the following references: - [Samba.org](https://www.samba.org/samba/security/CVE-2018-10858.html) - [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1618697) - [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2018:2613)
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