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TI-2017-01870 Aliases CVE-2017-2619GHSA-gpq8-xrm8-w2qr

Race condition in samba

Priority MEDIUM 46CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 19 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.1102 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 19 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Sambasamba4.6.1; 4.5.7; 4.4.11—No fix listedCNA
  • samba VendorSamba Affected 4.6.1; 4.5.7; 4.4.11 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*before 4.4.12; 4.5.0 to before 4.5.7; 4.6.0 to before 4.6.1VulnerableSamba
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions before 4.4.12; 4.5.0 to before 4.5.7; 4.6.0 to before 4.6.1 Vulnerable ·Samba
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 4 advisories

  • RHSA-2017:2789 Released 2017-09-21 · Red Hat rating Moderate
    samba security update
    • Red Hat Enterprise Linux Desktop (v. 6) libsmbclient-3.6.23-45.el6_9, samba-3.6.23-45.el6_9, samba-client-3.6.23-45.el6_9 +3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libsmbclient-devel-3.6.23-45.el6_9, samba-3.6.23-45.el6_9, samba-doc-3.6.23-45.el6_9 +5
    • Red Hat Enterprise Linux HPC Node (v. 6) samba-3.6.23-45.el6_9, samba-client-3.6.23-45.el6_9, samba-common-3.6.23-45.el6_9 +2
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) libsmbclient-3.6.23-45.el6_9, libsmbclient-devel-3.6.23-45.el6_9, samba-3.6.23-45.el6_9 +6
    • Red Hat Enterprise Linux Server (v. 6) libsmbclient-3.6.23-45.el6_9, libsmbclient-3.6.23-45.el6_9.ppc, samba-3.6.23-45.el6_9 +6
    • Red Hat Enterprise Linux Server Optional (v. 6) libsmbclient-devel-3.6.23-45.el6_9, libsmbclient-devel-3.6.23-45.el6_9.ppc, samba-doc-3.6.23-45.el6_9 +6
    • Red Hat Enterprise Linux Workstation (v. 6) libsmbclient-3.6.23-45.el6_9, samba-3.6.23-45.el6_9, samba-client-3.6.23-45.el6_9 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) libsmbclient-devel-3.6.23-45.el6_9, samba-doc-3.6.23-45.el6_9, samba-domainjoin-gui-3.6.23-45.el6_9 +4
  • RHSA-2017:2778 Released 2017-09-21 · Red Hat rating Moderate
    samba security, bug fix, and enhancement update
    • Red Hat Gluster 3.3 Samba on RHEL-6 ctdb-4.6.3-5.el6rhs, ctdb-tests-4.6.3-5.el6rhs, ldb-tools-1.1.29-1.el6rhs +39
  • RHSA-2017:2338 Released 2017-08-01 · Red Hat rating Moderate
    samba security update
    • Red Hat Gluster 3.2 Samba on RHEL-7 ctdb-4.6.3-4.el7rhgs, ctdb-tests-4.6.3-4.el7rhgs, libsmbclient-4.6.3-4.el7rhgs +23
Show 1 more Red Hat advisories
  • RHSA-2017:1265 Released 2017-05-22 · Red Hat rating Moderate
    samba security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) libsmbclient-4.4.4-13.el7_3, libwbclient-4.4.4-13.el7_3, samba-4.4.4-13.el7_3 +10
    • Red Hat Enterprise Linux Client Optional (v. 7) libsmbclient-devel-4.4.4-13.el7_3, libwbclient-devel-4.4.4-13.el7_3, samba-4.4.4-13.el7_3 +9
    • Red Hat Enterprise Linux ComputeNode (v. 7) libsmbclient-4.4.4-13.el7_3, libwbclient-4.4.4-13.el7_3, samba-4.4.4-13.el7_3 +9
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libsmbclient-devel-4.4.4-13.el7_3, libwbclient-devel-4.4.4-13.el7_3, samba-4.4.4-13.el7_3 +10
    • Red Hat Enterprise Linux Server (v. 7) libsmbclient-4.4.4-13.el7_3, libsmbclient-4.4.4-13.el7_3.ppc, libwbclient-4.4.4-13.el7_3 +16
    • Red Hat Enterprise Linux Server Optional (v. 7) libsmbclient-devel-4.4.4-13.el7_3, libsmbclient-devel-4.4.4-13.el7_3.ppc, libwbclient-devel-4.4.4-13.el7_3 +12
    • Red Hat Enterprise Linux Server Resilient Storage (v. 7) ctdb-4.4.4-13.el7_3, ctdb-tests-4.4.4-13.el7_3
    • Red Hat Enterprise Linux Workstation (v. 7) libsmbclient-4.4.4-13.el7_3, libwbclient-4.4.4-13.el7_3, samba-4.4.4-13.el7_3 +11
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libsmbclient-devel-4.4.4-13.el7_3, libwbclient-devel-4.4.4-13.el7_3, samba-dc-4.4.4-13.el7_3 +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux Server Resilient Storage (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:1265
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2017:2789
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:1265
Red Hat Gluster 3.2 Samba on RHEL-7Fixed RHSA-2017:2338
Red Hat Gluster 3.3 Samba on RHEL-6Fixed RHSA-2017:2778

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-2619
  2. 2026-10-03 Alias added: GHSA-gpq8-xrm8-w2qr

References

Exploit 1

Advisory 8

  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-05139 Code injection in samba KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00210 The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x… CVSS 2.0HIGH 10.0
  • TI-2003-00081 Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in… CVSS 2.0HIGH 10.0
  • TI-2003-00185 Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before… CVSS 2.0HIGH 10.0
  • TI-2007-02362 Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through… CVSS 2.0HIGH 10.0
See all 215 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences