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Purlpkg:apk/alpine/apache2@2.4.51-r0?arch=armhf&distroversion=v3.21&reponame=main
Typeapk
Namespacealpine
Nameapache2
Version2.4.51-r0
Qualifiers
arch armhf
distroversion v3.21
reponame main
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version2.4.52-r0
Latest_non_vulnerable_version2.4.66-r0
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-qn74-neyt-jkg9
vulnerability_id VCID-qn74-neyt-jkg9
summary 
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.
references
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reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-42013.json
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reference_url http://packetstormsecurity.com/files/164629/Apache-2.4.49-2.4.50-Traversal-Remote-Code-Execution.html
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reference_url https://www.povilaika.com/apache-2-4-50-exploit/
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reference_url http://packetstormsecurity.com/files/164501/Apache-HTTP-Server-2.4.50-Path-Traversal-Code-Execution.html
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reference_url http://packetstormsecurity.com/files/164609/Apache-HTTP-Server-2.4.50-Remote-Code-Execution.html
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reference_url https://security.archlinux.org/ASA-202110-1
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reference_url https://security.archlinux.org/AVG-2450
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reference_url https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ
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fixed_packages
0
url pkg:apk/alpine/apache2@2.4.51-r0?arch=armhf&distroversion=v3.21&reponame=main
purl pkg:apk/alpine/apache2@2.4.51-r0?arch=armhf&distroversion=v3.21&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/apache2@2.4.51-r0%3Farch=armhf&distroversion=v3.21&reponame=main
aliases CVE-2021-42013
risk_score 10.0
exploitability 2.0
weighted_severity 9.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-qn74-neyt-jkg9
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:apk/alpine/apache2@2.4.51-r0%3Farch=armhf&distroversion=v3.21&reponame=main