Test ID:	1.3.6.1.4.1.25623.1.0.112897
Category:	Web Servers
Title:	Apache HTTP Server 2.4.0 - 2.4.46 Multiple Vulnerabilities - Linux
Summary:	Apache HTTP Server is prone to multiple vulnerabilities.
Description:	Summary: Apache HTTP Server is prone to multiple vulnerabilities. Vulnerability Insight: The following vulnerabilities exist: - CVE-2020-35452: mod_auth_digest possible stack overflow by one null byte - CVE-2021-26690: mod_session NULL pointer dereference - CVE-2021-26691: mod_session response handling heap overflow Vulnerability Impact: - CVE-2020-35452: A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. - CVE-2021-26690: A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service. - CVE-2021-26691: A specially crafted SessionHeader sent by an origin server could cause a heap overflow. Affected Software/OS: Apache HTTP Server versions 2.4.0 to 2.4.46 on Linux. Solution: Update to version 2.4.48 or later. CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-35452 https://security.netapp.com/advisory/ntap-20210702-0001/ Debian Security Information: DSA-4937 (Google Search) https://www.debian.org/security/2021/dsa-4937 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/ https://security.gentoo.org/glsa/202107-38 http://httpd.apache.org/security/vulnerabilities_24.html https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E https://www.oracle.com/security-alerts/cpuoct2021.html https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html https://lists.apache.org/thread.html/rccb1b8225583a48c6360edc7a93cc97ae8b0215791e455dc607e7602@%3Cannounce.httpd.apache.org%3E https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd@%3Cdev.httpd.apache.org%3E http://www.openwall.com/lists/oss-security/2021/06/10/5 Common Vulnerability Exposure (CVE) ID: CVE-2021-26690 https://lists.apache.org/thread.html/rae406c1d19c0dfd3103c96923dadac2af1cd0bad6905ab1ede153865@%3Cannounce.httpd.apache.org%3E http://www.openwall.com/lists/oss-security/2021/06/10/6 Common Vulnerability Exposure (CVE) ID: CVE-2021-26691 https://www.oracle.com/security-alerts/cpujan2022.html https://lists.apache.org/thread.html/r50cae1b71f1e7421069036b213c26da7d8f47dd59874e3bd956959fe@%3Cannounce.httpd.apache.org%3E http://www.openwall.com/lists/oss-security/2021/06/10/7
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