Vulnerability in Samba
CVE-2017-2619
Samba before versions 4.6.1, 4.5.7 and 4.4.11 are vulnerable to a malicious client using a symlink race to allow access to areas of the server file system not exported under the share definition.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.111 (95.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.111 · newest: 0.111 · change: 0.000
Affected products
- Samba — versions 4.6.1, 4.5.7, 4.4.11
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux — versions 6.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2017:2778 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2017/dsa-3816 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/97033 (VDB Entry, Third Party Advisory, vdb-entry)
- www.exploit-db.com/exploits/41740/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securitytracker.com/id/1038117 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2017:2338 (vendor-advisory, Third Party Advisory)
- www.samba.org/samba/security/CVE-2017-2619.html (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2017:1265 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2789 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-2619?
- CVE-2017-2619 is a high-severity vulnerability in Samba, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2018-03-12.
- How severe is CVE-2017-2619?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-2619 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.