PT-2019-16027 · Libesmtp+3 · Libesmtp+3

Published 2019-12-26 · Updated 2024-06-15 · CVE-2019-19977

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions libESMTP versions 1.0.0 through 1.0.6

Description The issue arises from the mishandling of domain copying into a fixed-size buffer in the ntlm build type 2 function within ntlm/ntlmstruct.c. This can lead to a stack-based buffer over-read.

Recommendations For libESMTP versions 1.0.0 through 1.0.6, consider updating to a version that addresses this issue, as the current version may pose a risk due to the buffer over-read in the ntlm build type 2 function. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2024-5879

AZL-36949

AZL-7260

CVE-2019-19977

MGASA-2021-0503

OPENSUSE-SU-2021:1235-1

OPENSUSE-SU-2021:2937-1

OPENSUSE-SU-2021_1235-1

OPENSUSE-SU-2021_2937-1

OPENSUSE-SU-2024:12594-1

SUSE-SU-2021:14793-1

SUSE-SU-2021:2917-1

SUSE-SU-2021:2937-1

SUSE-SU-2021:2937-2

SUSE-SU-2021_14793-1

SUSE-SU-2021_2917-1

SUSE-SU-2021_2937-1

Affected Products

Alt Linux

Debian

Suse

Libesmtp

References · 29

• 🔥 https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242 · Exploit
• 🔥❌ https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2019-19977 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:1235-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2937-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:14793-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0503 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19977 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12594-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-19977 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-36949 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-7260 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-19977 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2917-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:2937-1 · Vendor Advisory