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An issue was discovered in Django 2.0 before 2.0.3, 1.11 before 1.11.11, and 1.8 before 1.8.19. If django.utils.text.Truncator's chars() and words() methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which were thus vulnerable.
Publish Date : 2018-03-09 Last Update Date : 2019-02-28
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CVSS Scores & Vulnerability Types
| CVSS Score |
5.0 |
| Confidentiality Impact |
None
(There is no impact to the confidentiality of the system.) |
| Integrity Impact |
None
(There is no impact to the integrity of the system) |
| Availability Impact |
Partial
(There is reduced performance or interruptions in resource availability.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
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| CWE ID |
185 |
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Products Affected By CVE-2018-7537
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Number Of Affected Versions By Product
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References For CVE-2018-7537
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Metasploit Modules Related To CVE-2018-7537
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