Podatność CVE-2021-42013
Publikacja: 2021-10-07

Opis:
It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue only affects Apache 2.4.49 and Apache 2.4.50 and not earlier versions.

W naszej bazie, znaleźliśmy następujące noty dla tego CVE:
Tytuł
Autor
Data
High
Apache HTTP Server 2.4.50 Remote Code Execution
TheLastVvV.com
29.10.2021
High
Apache HTTP Server 2.4.50 Remote Code Execution Py ver
Valentin Lobstei...
24.11.2021

Typ:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Ogólna skala CVSS
Znaczenie
Łatwość wykorzystania
7.5/10
6.4/10
10/10
Wymagany dostęp
Złożoność ataku
Autoryzacja
Zdalny
Niska
Nie wymagana
Wpływ na poufność
Wpływ na integralność
Wpływ na dostępność
Częściowy
Częściowy
Częściowy
Affected software
Fedoraproject -> Fedora 
Apache -> Http server 

 Referencje:
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/r7c795cd45a3384d4d27e57618a215b0ed19cb6ca8eb070061ad5d837@%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/rb5b0e46f179f60b0c70204656bc52fcb558e961cb4d06a971e9e3efb@%3Cusers.httpd.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/07/6
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ
http://jvn.jp/en/jp/JVN51106450/index.html
http://www.openwall.com/lists/oss-security/2021/10/08/1
https://lists.apache.org/thread.html/r17a4c6ce9aff662efd9459e9d1850ab4a611cb23392fc68264c72cb3@%3Ccvs.httpd.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/08/2
http://www.openwall.com/lists/oss-security/2021/10/08/4
http://www.openwall.com/lists/oss-security/2021/10/08/3
http://www.openwall.com/lists/oss-security/2021/10/08/6
http://www.openwall.com/lists/oss-security/2021/10/08/5
http://www.openwall.com/lists/oss-security/2021/10/09/1
http://www.openwall.com/lists/oss-security/2021/10/11/4
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RMIIEFINL6FUIOPD2A3M5XC6DH45Y3CC/
http://packetstormsecurity.com/files/164501/Apache-HTTP-Server-2.4.50-Path-Traversal-Code-Execution.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WS5RVHOIIRECG65ZBTZY7IEJVWQSQPG3/
http://www.openwall.com/lists/oss-security/2021/10/15/3
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