CVE-2017-16943
Scores
EPSS
Percentile: 77.0%
CVSS
CVSS Score: 9.8/10
All CVSS Scores
Vector: CVSS:3.0/AV:N/AC:L/PR:N/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
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
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:P/I:P/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
Partial
Measures the impact to the confidentiality of information
Integrity Impact
Partial
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 receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (9)
Type: Configuration
Product: exim4
Operating System: debian
{ "fixed": "4.89-12"}
Source: debian
Type: Configuration
Product: exim4
Operating System: debian jessie 8
{ "unaffected": true}
Source: debian
Type: Configuration
Product: exim4
Operating System: debian wheezy 7
{ "unaffected": true}
Source: debian
Type: Configuration
Product: exim4
Operating System: ubuntu artful 17.10
{ "fixed": "4.89-5ubuntu1.1"}
Source: ubuntu
Type: Configuration
Product: exim4
Operating System: ubuntu trusty 14.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: exim4
Operating System: ubuntu xenial 16.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: exim4
Operating System: ubuntu zesty 17.04
{ "fixed": "4.88-5ubuntu1.2"}
Source: ubuntu
Type: Configuration
Vendor: debian
Product: debian_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: exim
Product: exim
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:exim:exim:4.88:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:exim:exim:4.89:-:*:*:*:*:*:*", "vulnerable...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:exim:exim:4.88:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:exim:exim:4.89:-:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd