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-2019-17498 First vendor Publication 2019-10-21
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.2 Temporal Score 8.1
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:P)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17498

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Os 2
Os 2
Os 1

Sources (Detail)

http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.html
http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read....
https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/
https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9cee...
https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322...
https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c98...
https://lists.debian.org/debian-lts-announce/2019/11/msg00010.html
https://lists.debian.org/debian-lts-announce/2021/12/msg00013.html
https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://security.netapp.com/advisory/ntap-20220909-0004/
Source Url

Alert History

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Date Informations
2024-11-28 13:28:57
  • Multiple Updates
2023-11-07 21:38:57
  • Multiple Updates
2023-09-08 21:27:43
  • Multiple Updates
2023-06-12 13:27:46
  • Multiple Updates
2022-10-28 00:28:04
  • Multiple Updates
2022-09-10 00:27:58
  • Multiple Updates
2022-03-10 00:23:20
  • Multiple Updates
2021-12-18 09:23:13
  • Multiple Updates
2021-05-04 13:31:50
  • Multiple Updates
2021-04-22 02:46:31
  • Multiple Updates
2020-10-14 21:22:59
  • Multiple Updates
2020-10-09 05:22:49
  • Multiple Updates
2020-05-23 02:26:38
  • First insertion