Home/CVE/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
CVE

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

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.

HIGH · CVSS 7.5 EPSS 0.47493
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

5
samba< 4.4.12
samba>= 4.5.0 and < 4.5.7
samba>= 4.6.0 and < 4.6.1
debian linuxall versions
redhat enterprise linuxall versions
⚠

Public Exploits & PoCs

2
remoteSamba 4.5.2 - Symlink Race Permits Opening Files Outside Share Directoryverified
pocwww.exploit-db.com · 41740www.exploit-db.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Mar 2018 · 03:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

15
suse-csafopenSUSE-SU-2024:11365-1
rhsaRHSA-2017:2789Moderate
suse-csafsuse-ru-2017_1217-1
suse-csafsuse-ru-2017_1218-1
suse-csafsuse-ru-2017_1219-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/97033Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038117Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1429472Issue TrackingThird Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03755en_usThird Party Advisory
https://www.debian.org/security/2017/dsa-3816Third Party Advisory
https://www.samba.org/samba/security/CVE-2017-2619.htmlVendor Advisory
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