Vulnerability Details : CVE-2014-3493
The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference.
Vulnerability category: OverflowMemory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2014-3493
Probability of exploitation activity in the next 30 days: 2.67%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 89 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2014-3493
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
2.7
|
LOW | AV:A/AC:L/Au:S/C:N/I:N/A:P |
5.1
|
2.9
|
NIST |
CWE ids for CVE-2014-3493
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-3493
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http://www.securityfocus.com/archive/1/532757/100/0/threaded
SecurityFocus
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http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
503 Backend fetch failed
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http://rhn.redhat.com/errata/RHSA-2014-0866.html
RHSA-2014:0866 - Security Advisory - Red Hat Customer Portal
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https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_samba1
Multiple vulnerabilities in Samba | Oracle Third Party Vulnerability Resolution Blog
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https://bugzilla.redhat.com/show_bug.cgi?id=1108748
1108748 – (CVE-2014-3493) CVE-2014-3493 samba: smbd unicode path names denial of service
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https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993
HPSBUX03574 rev.1 - HPE HP-UX CIFS-Server (Samba), Remote Access Restriction Bypass, Authentication bypass, Denial of Service (DoS), Unauthorized Access to Files, Access Restriction Bypass, Unauthoriz
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http://www.securityfocus.com/bid/68150
Samba CVE-2014-3493 Memory Corruption Vulnerability
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http://www.mandriva.com/security/advisories?name=MDVSA-2015:082
mandriva.com
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http://secunia.com/advisories/61218
Sign in
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http://security.gentoo.org/glsa/glsa-201502-15.xml
Samba: Multiple vulnerabilities (GLSA 201502-15) — Gentoo security
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http://secunia.com/advisories/59407
Sign in
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http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
[SECURITY] Fedora 20 Update: samba-4.1.9-3.fc20
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http://secunia.com/advisories/59433
Sign in
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http://linux.oracle.com/errata/ELSA-2014-0866.html
linux.oracle.com | ELSA-2014-0866
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http://www.securitytracker.com/id/1030455
Samba smbd and nmbd Processing Flaws Let Remote Users Deny Service - SecurityTracker
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http://www.samba.org/samba/security/CVE-2014-3493
Samba - Security Announcement ArchiveVendor Advisory
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http://advisories.mageia.org/MGASA-2014-0279.html
Mageia Advisory: MGASA-2014-0279 - Updated samba packages fix multiple vulnerabilities
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http://www.mandriva.com/security/advisories?name=MDVSA-2014:136
mandriva.com
Products affected by CVE-2014-3493
- cpe:2.3:a:samba:samba:3.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.20:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.14:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.13:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.12:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.18:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.17:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.15:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.9:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.19:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.11:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.10:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.21:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.22:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:4.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:3.6.23:*:*:*:*:*:*:*