Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2019-17455 First vendor Publication 2019-10-10
Vendor Cve Last vendor Modification 2020-05-10

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17455

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 4
Os 3

Sources (Detail)

Source Url
CONFIRM https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17455.html
https://security-tracker.debian.org/tracker/CVE-2019-17455
MISC https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145
https://gitlab.com/jas/libntlm/issues/2
MLIST https://lists.debian.org/debian-lts-announce/2020/05/msg00010.html

Alert History

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0
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Date Informations
2020-05-23 02:26:37
  • Multiple Updates
2019-10-14 21:20:29
  • Multiple Updates
2019-10-11 00:20:58
  • First insertion