Test ID:	1.3.6.1.4.1.25623.1.0.892685
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-2685-1)
Summary:	The remote host is missing an update for the Debian 'squid3' package(s) announced via the DLA-2685-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'squid3' package(s) announced via the DLA-2685-1 advisory. Vulnerability Insight: Several vulnerabilities were discovered in Squid, a proxy caching server. CVE-2021-28651 Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption. CVE-2021-28652 Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege. CVE-2021-31806 Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing. CVE-2021-31807 An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent. CVE-2021-31808 Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this. CVE-2021-33620 Remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server. For Debian 9 stretch, these problems have been fixed in version 3.5.23-5+deb9u7. We recommend that you upgrade your squid3 packages. For the detailed security status of squid3 please refer to its security tracker page at: [link moved to references] Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'squid3' package(s) on Debian 9. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-28651 Debian Security Information: DSA-4924 (Google Search) https://www.debian.org/security/2021/dsa-4924 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ http://seclists.org/fulldisclosure/2023/Oct/14 https://bugs.squid-cache.org/show_bug.cgi?id=5104 https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html http://www.openwall.com/lists/oss-security/2023/10/11/3 Common Vulnerability Exposure (CVE) ID: CVE-2021-28652 https://bugs.squid-cache.org/show_bug.cgi?id=5106 https://github.com/squid-cache/squid/security/advisories/GHSA-m47m-9hvw-7447 Common Vulnerability Exposure (CVE) ID: CVE-2021-31806 http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf Common Vulnerability Exposure (CVE) ID: CVE-2021-31807 Common Vulnerability Exposure (CVE) ID: CVE-2021-31808 Common Vulnerability Exposure (CVE) ID: CVE-2021-33620 http://www.squid-cache.org/Versions/v4/changesets/squid-4-1e05a85bd28c22c9ca5d3ac9f5e86d6269ec0a8c.patch http://www.squid-cache.org/Versions/v5/changesets/squid-5-8af775ed98bfd610f9ce762fe177e01b2675588c.patch https://github.com/squid-cache/squid/security/advisories/GHSA-572g-rvwr-6c7f
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