Test ID:	1.3.6.1.4.1.25623.1.0.845403
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5474-1)
Summary:	The remote host is missing an update for the 'varnish' package(s) announced via the USN-5474-1 advisory.
Description:	Summary: The remote host is missing an update for the 'varnish' package(s) announced via the USN-5474-1 advisory. Vulnerability Insight: It was discovered that Varnish Cache did not clear a pointer between the handling of one client request and the next request within the same connection. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2019-20637) It was discovered that Varnish Cache could have an assertion failure when a TLS termination proxy uses PROXY version 2. A remote attacker could possibly use this issue to restart the daemon and cause a performance loss. (CVE-2020-11653) It was discovered that Varnish Cache allowed request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2021-36740) It was discovered that Varnish Cache allowed request smuggling for HTTP/1 connections. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2022-23959) Affected Software/OS: 'varnish' package(s) on Ubuntu 18.04, Ubuntu 20.04, Ubuntu 21.10, Ubuntu 22.04. Solution: Please install the updated package(s). CVSS Score: 6.4 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2019-20637 http://varnish-cache.org/security/VSV00004.html#vsv00004 SuSE Security Announcement: openSUSE-SU-2020:0808 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html SuSE Security Announcement: openSUSE-SU-2020:0819 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html Common Vulnerability Exposure (CVE) ID: CVE-2020-11653 https://varnish-cache.org/security/VSV00005.html#vsv00005 https://lists.debian.org/debian-lts-announce/2022/11/msg00036.html Common Vulnerability Exposure (CVE) ID: CVE-2021-36740 Debian Security Information: DSA-5088 (Google Search) https://www.debian.org/security/2022/dsa-5088 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/ https://docs.varnish-software.com/security/VSV00007/ https://github.com/varnishcache/varnish-cache/commit/82b0a629f60136e76112c6f2c6372cce77b683be https://github.com/varnishcache/varnish-cache/commit/9be22198e258d0e7a5c41f4291792214a29405cf https://varnish-cache.org/security/VSV00007.html Common Vulnerability Exposure (CVE) ID: CVE-2022-23959 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ https://docs.varnish-software.com/security/VSV00008/ https://varnish-cache.org/security/VSV00008.html https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html
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