How to Install ClamAV Antivirus on RHEL 7 ClamAV is the leading open-source antivirus engine used on Linux servers, primarily for scanning files shared with Windows clients, email attachments passing through mail gateways, and uploaded content on web servers. While RHEL 7 itself is rarely the target of self-propagating malware, compliance frameworks such as PCI-DSS, […]
🟠 High ⏱ 5–30 min Last verified: 7 May 2020 Affected versions: Debian 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2018:0926-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1063 Upstream summary: Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.1.0-r0 📖 ~4 min read • Source: Alpine secdb entry — supervisor 4.1.0-r0 Related CVEs: CVE-2019-12105 CVE-2017-11610 Upstream summary: Alpine main repository for vedge ships supervisor 4.1.0-r0 which addresses CVE-2019-12105. Table of contents Symptom & Impact […]
Introduction This guide explains how to Configure TCP Wrappers on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the standard […]
🟢 Low ⏱ 5–15 min Last verified: 7 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: isc-dhcpd — Denial of Service Related CVEs: CVE-2015-8605 Upstream summary: ISC reports: A badly formed packet with an invalid IPv4 UDP length field can cause a DHCP server, client, or […]
🟢 Low ⏱ 5–15 min Last verified: 7 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ettercap — out-of-bound read vulnerability Related CVEs: CVE-2013-0722 CVE-2017-6430 Upstream summary: Ettercap GitHub issue: Etterfilter results in an invalid read of 8 bytes when parsing a crafted file. Table of […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2020-1492 Related CVEs: CVE-2020-24370 Upstream summary: ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31). (CVE-2020-24370) Table of contents Symptom […]
How to Configure Volume Shadow Copy Service (VSS) on Windows Server 2012 R2 The Volume Shadow Copy Service (VSS) is a critical component of the Windows Server 2012 R2 data protection framework. It enables the creation of point-in-time, application-consistent snapshots of volumes without interrupting running services or applications. VSS is used by Windows Server Backup, […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.4.4-r0 📖 ~4 min read • Source: Alpine secdb entry — icecast 2.4.4-r0 Related CVEs: CVE-2018-18820 Upstream summary: Alpine main repository for vedge ships icecast 2.4.4-r0 which addresses CVE-2018-18820. Table of contents Symptom & Impact Environment […]
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