CVE-2019-19977

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md	Exploit Patch Third Party Advisory
https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/	Product
https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:libesmtp_project:libesmtp:*:*:*:*:*:*:*:*

Information

Published : 2019-12-25 17:15

Updated : 2020-01-03 09:14

NVD link : CVE-2019-19977

Mitre link : CVE-2019-19977

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

libesmtp_project

libesmtp

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