Information Exposure Affecting samba-winbind-krb5-locator package, versions <0:4.6.2-11.el7_4
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-RHEL7-SAMBAWINBINDKRB5LOCATOR-4784213
- published26 Jul 2021
- disclosed20 Sept 2017
Introduced: 20 Sep 2017
CVE-2017-12163 (opens in a new tab)How to fix?
Upgrade RHEL:7 samba-winbind-krb5-locator to version 0:4.6.2-11.el7_4 or higher.
This issue was patched in RHSA-2017:2790.
NVD Description
Note: Versions mentioned in the description apply only to the upstream samba-winbind-krb5-locator package and not the samba-winbind-krb5-locator package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An information leak flaw was found in the way SMB1 protocol was implemented by Samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8. A malicious client could use this flaw to dump server memory contents to a file on the samba share or to a shared printer, though the exact area of server memory cannot be controlled by the attacker.
References
- http://www.securityfocus.com/bid/100925
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12163
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03775en_us
- https://security.netapp.com/advisory/ntap-20170921-0001/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
- https://www.samba.org/samba/security/CVE-2017-12163.html
- https://www.synology.com/support/security/Synology_SA_17_57_Samba
- https://access.redhat.com/security/cve/CVE-2017-12163
- https://www.debian.org/security/2017/dsa-3983
- https://access.redhat.com/errata/RHSA-2017:2790
- http://www.securitytracker.com/id/1039401
- https://bugzilla.redhat.com/show_bug.cgi?id=1491206