CVE-2019-19977

EUVD-2019-9565
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
Affected Products (NVD)
VendorProductVersion
libesmtp_projectlibesmtp
𝑥
≤ 1.0.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libesmtp
bookworm
unimportant
bullseye
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libesmtp
bionic
not-affected
disco
not-affected
eoan
not-affected
trusty
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md
https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242
https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/
https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md
https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242
https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/