Apache – CVE-2019-0220


Kayran has detected that the Version of Apache HTTP Server being used has a ‘URL normalization inconsistincy’ vulnerability.
CVE-2019-0220 is categorized as a ‘Use of Incorrectly-Resolved Name or Reference’ vulnerability (CWE-706).

These Vulnerabilities occur when the software is using a name or reference to access a resource. But in fact, the name/reference resolves to a resource located outside of the intended control sphere.

The attacker could abuse this by crafting a URL request that its ‘path’ component contains multiple consecutive slashes ‘ / ‘.
In this case, directives such as ‘LocationMatch’ and ‘RewriteRule’ must account for duplicates in regular expressions while other aspects of the servers processing will implicitly collapse them.

It could lead to information being disclosed, assisting attackers in performing attacks against your assets.


To fix CVE-2019-0220, upgrade the version of Apache HTTP Server being used to 2.4.39.




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