CVE-2018-18956
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 7.5/10
All CVSS Scores
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
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
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
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:N/I:N/A:P
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
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.
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Sources
CWEs
Vulnerable Software (13)
Type: Configuration
Product: suricata
Operating System: debian
{ "fixed": "1:4.0.6-1"}
Source: debian
Type: Configuration
Product: suricata
Operating System: debian stretch 9
{ "unfixed": true}
Source: debian
Type: Configuration
Product: suricata
Operating System: debian jessie 8
{ "unaffected": true}
Source: debian
Type: Configuration
Product: suricata
Operating System: ubuntu bionic 18.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu cosmic 18.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu disco 19.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu eoan 19.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu jammy 22.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu kinetic 22.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu lunar 23.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: suricata
Operating System: ubuntu xenial 16.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Vendor: suricata-ids
Product: suricata
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.0.6", "versionStartIncluding": "4.0.0", "vulnerable": true ...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.0.6", "versionStartIncluding": "4.0.0", "vulnerable": true } ], "operator": "OR"}
Source: nvd