high
7.5
CWE
125
Advisory Published
CVE Published
Updated

CVE-2021-36160: mod_proxy_uwsgi out of bound read

First published: Thu Sep 16 2021(Updated: )

A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/jbcs-httpd24-httpd<0:2.4.51-28.el8
0:2.4.51-28.el8
redhat/jbcs-httpd24-httpd<0:2.4.51-28.el7
0:2.4.51-28.el7
redhat/httpd24-httpd<0:2.4.34-23.el7.5
0:2.4.34-23.el7.5
debian/apache2
2.4.38-3+deb10u8
2.4.38-3+deb10u10
2.4.56-1~deb11u2
2.4.56-1~deb11u1
2.4.57-2
2.4.57-3
2.4.58-1
debian/uwsgi<=2.0.18-1<=2.0.19.1-7.1<=2.0.21-5.1<=2.0.22-4
redhat/httpd<2.4.49
2.4.49
Apache Http Server>=2.4.30<=2.4.48
Red Hat Fedora=34
Red Hat Fedora=35
Debian Linux=9.0
Debian Linux=10.0
Debian Linux=11.0
NetApp Cloud Backup
IBM Data ONTAP
NetApp StorageGRID Webscale
Oracle Communications Cloud Native Core Network Function Cloud Native Environment=1.10.0
Oracle Enterprise Manager=13.4.0.0
Oracle Enterprise Manager=13.5.0.0
Oracle HTTP Server=12.2.1.3.0
Oracle HTTP Server=12.2.1.4.0
Oracle Instantis EnterpriseTrack=17.1
Oracle Instantis EnterpriseTrack=17.2
Oracle Instantis EnterpriseTrack=17.3
Oracle PeopleTools=8.58
Oracle Storage Cloud Software Appliance=8.8
Brocade Fabric Operating System

Remedy

https://www.oracle.com/security-alerts/cpuapr2022.html

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

Remedy

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-36160?

    The severity of CVE-2021-36160 is high, with a severity value of 7.5.

  • How does CVE-2021-36160 affect system availability?

    CVE-2021-36160 can cause the service to crash, posing a threat to system availability.

  • Which software versions are affected by CVE-2021-36160?

    CVE-2021-36160 affects versions up to exclusive 2.4.49 of the httpd package, 0:2.4.51-28.el8 and 0:2.4.51-28.el7 of jbcs-httpd24-httpd package, 0:2.4.34-23.el7.5 of httpd24-httpd package, and various versions of apache2 and uwsgi packages in Debian.

  • How can CVE-2021-36160 be fixed?

    To fix CVE-2021-36160, it is recommended to update the affected software to the specified remedy versions provided by the respective sources (Red Hat, Debian, etc.).

  • Where can I find more information about CVE-2021-36160?

    For more information about CVE-2021-36160, you can refer to the references provided: http://httpd.apache.org/security/vulnerabilities_24.html, https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2005125, and https://access.redhat.com/errata/RHSA-2022:1915.

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