Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2019-3863

Public on 2019-03-25
Modified on 2019-08-12
Description

A flaw was found in libssh2. A server could send a multiple keyboard interactive response messages, whose total length are greater than the unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error. The highest threat from this vulnerability is to data confidentiality and integrity and system availability.

Severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown
Continue reading

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 libssh2 2019-08-12 18:05 ALAS-2019-1254
Amazon Linux 2 - Core libssh2 2019-04-25 16:44 ALAS2-2019-1199

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H