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Debian LTS Advisory ([SECURITY] [DLA 1991-1] libssh2 security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'libssh2' package(s) announced via the DSA-1991-1 advisory.
Insight
Insight
In libssh2, 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
Affected Software
Affected Software
'libssh2' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 8 'Jessie', this problem has been fixed in version 1.4.3-4.1+deb8u6. We recommend that you upgrade your libssh2 packages.