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Veracode Vulnerability DatabaseVERACODE:4734HistoryJul 27, 2017 - 2:22 a.m.
Regular Expression Denial Of Service (ReDoS)
2017-07-2702:22:06
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
5
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:N/I:N/A:C
Moodle is vulnerable to Regular Expression Denial Of Service (ReDoS) attacks. The attacks can be triggered because of the use of a non-optimal regular expression in the URLs filter in filter/urltolink/filter.php, causing high CPU consumption during URL conversion.
| CPE | Name | Operator | Version |
|---|---|---|---|
| moodle/moodle | le | 2.5.9 | |
| moodle/moodle | le | 2.6.8 | |
| moodle/moodle | le | 2.8.3 | |
| moodle/moodle | le | 2.7.5 |
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Fedora 21 : moodle-2.7.7-1.fc21 (2015-4724)
2015-04-07 00:00:00
Fedora 22 : moodle-2.8.5-1.fc22 (2015-4613)
2015-04-22 00:00:00
Fedora 20 : moodle-2.6.10-1.fc20 (2015-4530)
2015-04-07 00:00:00
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:N/I:N/A:C
Related for VERACODE:4734