CVE-2017-7494
Scores
EPSS
Percentile: 94.3%
CVSS
CVSS Score: 7.5/10
All CVSS Scores
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
High (H)
Describes the conditions beyond the attacker's control
Privileges Required
Low (L)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.
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Sources
CWEs
Related Vulnerabilities
Exploits
Exploit ID: CVE-2017-7494
Source: cisa
URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Recommendations
Source: nvd
All Samba users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-fs/samba-4.5.16”
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the smb service will be restarted automatically.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the smb service will be restarted automatically.
Source: nvd
For details on how to apply this update, which includes the changes described inthis advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the smb service will be restarted automatically.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the smb service will be restarted automatically.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the smb service will be restarted automatically.
Vulnerable Software (21)
Type: Configuration
Product: samba
Operating System: rhel 6.7
{
"fixed": "3.6.23-32.el6_7"
}Source: redhat
Type: Configuration
Product: samba
Operating System: debian
{
"fixed": "2:4.5.8+dfsg-2"
}Source: debian
Type: Configuration
Product: samba
Operating System: ubuntu zesty 17.04
{
"fixed": "2:4.5.8+dfsg-0ubuntu0.17.04.2"
}Source: ubuntu
Type: Configuration
Product: samba
Operating System: ubuntu yakkety 16.10
{
"fixed": "2:4.4.5+dfsg-2ubuntu5.6"
}Source: ubuntu
Type: Configuration
Product: samba
Operating System: ubuntu xenial 16.04
{
"fixed": "2:4.3.11+dfsg-0ubuntu0.16.04.7"
}Source: ubuntu
Type: Configuration
Product: samba
Operating System: ubuntu trusty 14.04
{
"fixed": "2:4.3.11+dfsg-0ubuntu0.14.04.8"
}Source: ubuntu
Type: Configuration
Product: samba
Operating System: rhel
{
"fixed": "4.4.6-5.el7rhgs"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel
{
"fixed": "4.4.6-5.el6rhs"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 7.1
{
"fixed": "4.2.10-11.el7_2"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 7
{
"fixed": "4.4.4-14.el7_3"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6.6
{
"fixed": "3.6.23-32.el6_6"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6.6
{
"fixed": "3.6.23-32.el6_6"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6.5
{
"fixed": "3.6.23-32.el6_5"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6.5
{
"fixed": "3.6.23-32.el6_5"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6.4
{
"fixed": "3.6.23-32.el6_4"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6.2
{
"fixed": "3.6.23-32.el6_2"
}Source: redhat
Type: Configuration
Product: samba
Operating System: rhel 6
{
"fixed": "3.6.23-43.el6_9"
}Source: redhat
Type: Configuration
Product: samba3x
Operating System: rhel 5
{
"fixed": "3.6.23-14.el5_11"
}Source: redhat
Type: Configuration
Product: samba4
Operating System: rhel 6
{
"fixed": "4.2.10-10.el6_9"
}Source: redhat
Type: Configuration
Vendor: debian
Product: debian_linux
Operating System: * * *
{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"operator": "OR"
}Source: nvd
Type: Configuration
Vendor: samba
Product: samba
Operating System: * * *
{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.4.0",
"versionStartIncluding": "3.5.0",
"vulnerable": true
},
{
...{
"cpe_match": [
{
"cpe23uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.4.0",
"versionStartIncluding": "3.5.0",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.4.14",
"versionStartIncluding": "4.4.0",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.5.10",
"versionStartIncluding": "4.5.0",
"vulnerable": true
},
{
"cpe23uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.6.4",
"versionStartIncluding": "4.6.0",
"vulnerable": true
}
],
"operator": "OR"
}Source: nvd