Apache HTTP Server up to 2.4.41 mod_rewrite Request redirect

Summaryinfo

A vulnerability categorized as critical has been discovered in Apache HTTP Server up to 2.4.41. The affected element is an unknown function of the component mod_rewrite. The manipulation as part of Request results in redirect. This vulnerability is cataloged as CVE-2020-1927. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Apache HTTP Server up to 2.4.41 (Web Server). It has been classified as critical. Affected is an unknown functionality of the component mod_rewrite. The manipulation as part of a Request leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.

The weakness was shared 04/02/2020 (Website). The advisory is shared for download at httpd.apache.org. This vulnerability is traded as CVE-2020-1927 since 12/02/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/02/2020). The MITRE ATT&CK project declares the attack technique as T1204.001.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-124447, VDB-130341, VDB-130329 and VDB-130330 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Web Server

Vendor

• Apache

Name

• HTTP Server

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.4.12
• 2.4.13
• 2.4.14
• 2.4.15
• 2.4.16
• 2.4.17
• 2.4.18
• 2.4.19
• 2.4.20
• 2.4.21
• 2.4.22
• 2.4.23
• 2.4.24
• 2.4.25
• 2.4.26
• 2.4.27
• 2.4.28
• 2.4.29
• 2.4.30
• 2.4.31
• 2.4.32
• 2.4.33
• 2.4.34
• 2.4.35
• 2.4.36
• 2.4.37
• 2.4.38
• 2.4.39
• 2.4.40
• 2.4.41

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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