ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Opensmtpd | Opensmtpd | * | 7.0.0 (excluding) |
| Openbsd | Openbsd | 7.1 (including) | 7.1 (including) |
| Openbsd | Openbsd | 7.2 (including) | 7.2 (including) |
| Opensmtpd | Ubuntu | bionic | * |
| Opensmtpd | Ubuntu | esm-apps/bionic | * |
| Opensmtpd | Ubuntu | esm-apps/focal | * |
| Opensmtpd | Ubuntu | esm-apps/jammy | * |
| Opensmtpd | Ubuntu | esm-apps/xenial | * |
| Opensmtpd | Ubuntu | esm-infra-legacy/trusty | * |
| Opensmtpd | Ubuntu | focal | * |
| Opensmtpd | Ubuntu | jammy | * |
| Opensmtpd | Ubuntu | kinetic | * |
| Opensmtpd | Ubuntu | lunar | * |
| Opensmtpd | Ubuntu | mantic | * |
| Opensmtpd | Ubuntu | oracular | * |
| Opensmtpd | Ubuntu | plucky | * |
| Opensmtpd | Ubuntu | trusty | * |
| Opensmtpd | Ubuntu | trusty/esm | * |
| Opensmtpd | Ubuntu | xenial | * |
References
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49\u0026r2=1.49.4.1\u0026f=h
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.50.4.1\u0026f=h
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.51\u0026f=h
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
- https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
- https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
- https://security.netapp.com/advisory/ntap-20230526-0006/
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49\u0026r2=1.49.4.1\u0026f=h
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.50.4.1\u0026f=h
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50\u0026r2=1.51\u0026f=h
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
- https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
- https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
- https://security.netapp.com/advisory/ntap-20230526-0006/