by Kastro
Paper/Archive/CVE-2021-39275

CVE-2021-39275

Apache Software Foundation Apache HTTP Server — ap_escape_quotes buffer overflow

EPSS 39%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 98.6.986 × 2019.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.

Affected

ProductAffectedFixed inSource
Apache HTTP ServerApache HTTP Server 2.4 – 2.4.48–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refhttpd.apache.org/security/vulnerabilities_24.htmladvisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWDreflists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3Ereflists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3Ereflists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3Ereflists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3Eadvisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45Rreflists.debian.org/debian-lts-announce/2021/10/msg00001.htmladvisorydebian.org/security/2021/dsa-4982advisorytools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQreforacle.com/security-alerts/cpujan2022.htmlrefsecurity.netapp.com/advisory/ntap-20211008-0004reforacle.com/security-alerts/cpuapr2022.htmlrefcert-portal.siemens.com/productcert/pdf/ssa-685781.pdfadvisorysecurity.gentoo.org/glsa/202208-20