CVSS: 5.3EPSS: 2%CPEs: 4EXPL: 1CVE-2023-51765
https://notcve.org/view.php?id=CVE-2023-51765
24 Dec 2023 — sendmail through 8.17.2 allows SMTP smuggling in certain configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because sendmail supports <LF>.<CR><LF> but some other popular e-mail servers do not. This is resolved in 8.18 and later versions with 'o' in srv_features. sendmail hasta al menos 8.14.7 permite el contrabando SMTP en ciertas configuraciones. • http://www.openwall.com/lists/oss-security/2023/12/24/1 • CWE-345: Insufficient Verification of Data Authenticity •
CVSS: 7.4EPSS: 0%CPEs: 7EXPL: 0CVE-2021-3618 – Ubuntu Security Notice USN-6379-1
https://notcve.org/view.php?id=CVE-2021-3618
23 Mar 2022 — ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can redirect traffic from one subdomain to another, resulting in a valid TLS session. This breaks the authentication of TLS and cross-protocol attacks may be possible where the behavior of one protocol service may compromise the other at ... • https://alpaca-attack.com • CWE-295: Improper Certificate Validation •
CVSS: 1.9EPSS: 0%CPEs: 56EXPL: 0CVE-2014-3956 – Gentoo Linux Security Advisory 201412-32
https://notcve.org/view.php?id=CVE-2014-3956
04 Jun 2014 — The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and consequently skips setting expected FD_CLOEXEC flags, which allows local users to access unintended high-numbered file descriptors via a custom mail-delivery program. La función sm_close_on_exec en conf.c en sendmail anterior a 8.14.9 tiene argumentos en el orden erróneo, y como consecuencia evade configurar etiquetas FD_CLOEXEC esperadas, lo que permite a usuarios locales acceder a descriptores de archiv... • ftp://ftp.sendmail.org/pub/sendmail/RELEASE_NOTES • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •