NULL Pointer Dereference Affecting apache2 package, versions <2.4.49-r0
Threat Intelligence
EPSS
0.64% (80th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE317-APACHE2-3138830
- published 20 Sep 2021
- disclosed 16 Sep 2021
Introduced: 16 Sep 2021
CVE-2021-34798 Open this link in a new tabHow to fix?
Upgrade Alpine:3.17 apache2 to version 2.4.49-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Alpine.
See How to fix? for Alpine:3.17 relevant fixed versions and status.
Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
References
- https://security.netapp.com/advisory/ntap-20211008-0004/
- https://www.tenable.com/security/tns-2021-17
- https://www.debian.org/security/2021/dsa-4982
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- http://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
- https://kc.mcafee.com/corporate/index?page=content&id=SB10379
- https://security.gentoo.org/glsa/202208-20
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
CVSS Scores
version 3.1