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CVE-2019-19977

Published: 26 December 2019

libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.

Notes

AuthorNote
mdeslaur
Ubuntu packages not built with --enable-ntlm

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libesmtp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not compiled)
disco Not vulnerable
(code not compiled)
eoan Not vulnerable
(code not compiled)
trusty Not vulnerable
(code not compiled)
upstream Needs triage

xenial Not vulnerable
(code not compiled)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H