CVE-2011-1756
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 5.0/10
All CVSS Scores
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
modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
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Sources
CWEs
Vulnerable Software (11)
Type: Configuration
Product: citadel
Operating System: ubuntu artful 17.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu bionic 18.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu trusty 14.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu utopic 14.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu vivid 15.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu wily 15.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu xenial 16.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu yakkety 16.10
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: ubuntu zesty 17.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: citadel
Operating System: debian
{ "fixed": "8.04-1"}
Source: debian
Type: Configuration
Vendor: citadel
Product: citadel
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:citadel:citadel:*:*:*:*:*:*:*:*", "versionEndIncluding": "7.86", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:citadel:citadel:*:*:*:*:*:*:*:*", "versionEndIncluding": "7.86", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.11:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.50:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.60:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.80:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.81:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.82:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:citadel:citadel:7.84:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd