CVE-2018-18820
Scores
EPSS
Percentile: 66.2%
CVSS
CVSS Score: 8.1/10
All CVSS Scores
Vector: CVSS:3.0/AV:N/AC:H/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
High (H)
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:M/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
Medium
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
A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4. If the backend is enabled, then any malicious HTTP client can send a request for that specific resource including a crafted header, leading to denial of service and potentially remote code execution.
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Sources
CWEs
Exploits
Recommendations
Source: nvd
All Icecast users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/icecast-2.4.4”
Vulnerable Software (11)
Type: Configuration
Product: icecast
Operating System: altlinux
{ "fixed": "0:2.4.4-alt1"}
Source: redhat
Type: Configuration
Product: icecast2
Operating System: debian
{ "fixed": "2.4.4-1"}
Source: debian
Type: Configuration
Product: icecast2
Operating System: ubuntu bionic 18.04
{ "fixed": "2.4.3-2ubuntu0.1"}
Source: ubuntu
Type: Configuration
Product: icecast2
Operating System: ubuntu cosmic 18.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: icecast2
Operating System: ubuntu disco 19.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: icecast2
Operating System: ubuntu eoan 19.10
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: icecast2
Operating System: ubuntu focal 20.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: icecast2
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: icecast2
Operating System: ubuntu xenial 16.04
{ "fixed": "2.4.2-1ubuntu0.1"}
Source: ubuntu
Type: Configuration
Vendor: *
Product: debian_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: *
Product: icecast
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:xiph:icecast:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.4.4", "vulnerable": true } ], "operator": "OR"}
Source: nvd