
CVE-2021-3449 – NULL pointer deref in signature_algorithms processing
https://notcve.org/view.php?id=CVE-2021-3449
25 Mar 2021 — An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS c... • https://github.com/riptl/cve-2021-3449 • CWE-476: NULL Pointer Dereference •

CVE-2015-2823
https://notcve.org/view.php?id=CVE-2015-2823
08 Apr 2015 — Siemens SIMATIC HMI Basic Panels 2nd Generation before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Professional before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Basic Panels 1st Generation (WinCC TIA Portal), SIMATIC HMI Mobile Panel 277 (WinCC TIA Portal), SIMATIC HMI Multi Panels (WinCC TIA Portal), and SIMATIC WinCC 7.x before 7.3 Upd4 allow remote attackers ... • http://www.securityfocus.com/bid/74040 • CWE-287: Improper Authentication •