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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:165085
[Rus]
Version
2
Class
patch
ALTXid
373965
Language
English
Severity
Critical
Title
MGASA-2021-0470 -- security update for apache
Description
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
(CVE-2021-42013).
Family
unix
Platform
Mageia 8
Product
apache
Reference
VENDOR: MGASA-2021-0470
VENDOR: MGASA-2021-0470
Id:
MGASA-2021-0470
Reference:
https://advisories.mageia.org/MGASA-2021-0470.html
CVE: CVE-2021-42013
CVE: CVE-2021-42013
Id:
CVE-2021-42013
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42013
Comment
: 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.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))
References:
https://httpd.apache.org/security/vulnerabilities_24.html (MISC)
[oss-security] 20211007 CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
20211007 Apache HTTP Server Vulnerabilties: October 2021 (CISCO)
JVN#51106450 (JVN)
[oss-security] 20211008 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211008 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211008 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211008 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211008 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211008 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211009 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211011 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
http://packetstormsecurity.com/files/164501/Apache-HTTP-Server-2.4.50-Path-Traversal-Code-Execution.html (MISC)
[oss-security] 20211015 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
[oss-security] 20211016 Re: CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (MLIST)
http://packetstormsecurity.com/files/164609/Apache-HTTP-Server-2.4.50-Remote-Code-Execution.html (MISC)
http://packetstormsecurity.com/files/164629/Apache-2.4.49-2.4.50-Traversal-Remote-Code-Execution.html (MISC)
https://security.netapp.com/advisory/ntap-20211029-0009/ (CONFIRM)
http://packetstormsecurity.com/files/164941/Apache-HTTP-Server-2.4.50-Remote-Code-Execution.html (MISC)
http://packetstormsecurity.com/files/165089/Apache-HTTP-Server-2.4.50-CVE-2021-42013-Exploitation.html (MISC)
https://www.oracle.com/security-alerts/cpujan2022.html (MISC)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
http://packetstormsecurity.com/files/167397/Apache-2.4.50-Remote-Code-Execution.html (MISC)
https://www.povilaika.com/apache-2-4-50-exploit/ (MISC)
GLSA-202208-20 (GENTOO)
[announce] 20211007 CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) ()
[httpd-users] 20211007 [users@httpd] CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) ()
[httpd-cvs] 20211008 [httpd-site] branch main updated: * Align with CVE-2021-42013 based on the latest findings ()
FEDORA-2021-2a10bc68a4 ()
FEDORA-2021-aaf90ef84a ()
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