NULL Pointer Dereference Affecting samba package, versions <2:4.7.6+dfsg~ubuntu-0ubuntu2.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-SAMBA-357198
- published16 Aug 2018
- disclosed22 Aug 2018
Introduced: 16 Aug 2018
CVE-2018-10918 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 samba to version 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream samba package and not the samba package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-10918
- https://www.samba.org/samba/security/CVE-2018-10918.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10918
- https://security-tracker.debian.org/tracker/CVE-2018-10918
- https://security.gentoo.org/glsa/202003-52
- https://security.netapp.com/advisory/ntap-20180814-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918
- http://www.securityfocus.com/bid/105083
- https://usn.ubuntu.com/3738-1/