Kategori: Remediation Guides
How to Fix CVE-2025-32463 (Sudo Chroot Privilege Escalation, USN-7604-1)
CVE-2025-32463 is a local privilege escalation in sudo 1.9.14 through 1.9.17: any local user can abuse the -R (--chroot) option to make…
SWEET32 Vulnerability Fix: How to Disable 3DES and 64-bit Block Ciphers
SWEET32 (CVE-2016-2183) is a birthday attack on TLS cipher suites that use a 64-bit block cipher, mainly 3DES. Scanners report it as…
SSL Certificate Validity – Duration (Nessus 121009): How to Fix Overlong Certificate Lifetimes
SSL Certificate Validity – Duration (Nessus plugin 121009) means a TLS service presents a certificate whose lifetime, from notBefore to notAfter, is…
How to Fix CVE-2021-3156 Sudo Baron Samedit (Linux Sudo Privilege Escalation)
CVE-2021-3156 (Baron Samedit) is a heap-based buffer overflow in sudo that lets any local user, even one not listed in sudoers, gain…
How to Fix “SSL Certificate Cannot Be Trusted” (Nessus 51192, Qualys 38173, Rapid7)
SSL Certificate Cannot Be Trusted (Nessus plugin 51192) means the scanner could not validate the chain from a TLS service’s certificate up…
How to Fix SSH Terrapin (CVE-2023-48795) and OpenSSH < 9.6 Findings
SSH Terrapin (CVE-2023-48795) is a man-in-the-middle prefix truncation weakness in the SSH handshake. It affects servers that offer ChaCha20-Poly1305 or CBC ciphers…
How to Fix Spring4Shell (CVE-2022-22965) on Spring and Tomcat
Spring4Shell (CVE-2022-22965) is a critical remote code execution flaw in Spring Framework data binding that affects Spring MVC and WebFlux apps running…
How to Fix SPF PermError: Too Many DNS Lookups (10-Lookup Limit)
SPF PermError “too many DNS lookups” means that evaluating your domain’s SPF record needs more than 10 DNS-querying terms (include, a, mx,…
How to Fix CVE-2020-1350 SIGRed (Windows DNS Server RCE)
CVE-2020-1350 (SIGRed) is a critical remote code execution flaw in the Windows DNS Server role that lets an attacker run code as…
How to Fix CVE-2021-4034 (PwnKit) in polkit pkexec
CVE-2021-4034, known as PwnKit, is a memory corruption bug in polkit’s pkexec that lets any local user become root. Fix it by…