NULL Pointer Dereference Affecting samba package, versions <2:4.9.5+dfsg-5
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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Start learning- Snyk IDSNYK-DEBIAN11-SAMBA-521824
- published23 Jun 2019
- disclosed19 Jun 2019
Introduced: 19 Jun 2019
CVE-2019-12435 (opens in a new tab)How to fix?
Upgrade Debian:11 samba to version 2:4.9.5+dfsg-5 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 Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.
References
- https://security-tracker.debian.org/tracker/CVE-2019-12435
- https://www.samba.org/samba/security/CVE-2019-12435.html
- https://www.synology.com/security/advisory/Synology_SA_19_27
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12435
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
- http://www.securityfocus.com/bid/108825
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00023.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-12435
- https://usn.ubuntu.com/4018-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/