PT-2017-9183 · Dropbear+1 · Dropbear Ssh+1

Andrej Nemec · Published 2016-07-26 · Updated 2017-03-04 · CVE-2016-7409

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Dropbear SSH versions prior to 2016.74

Description The issue allows local users to read process memory, related to a failed remote ident. This is possible when the dbclient and server in Dropbear SSH are compiled with DEBUG TRACE and the -v argument is used.

Recommendations For versions prior to 2016.74, update to version 2016.74 or later to resolve the issue. As a temporary workaround, consider disabling the DEBUG TRACE compilation option until a patch is available.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2016-1786

CVE-2016-7409

Affected Products

Alt Linux

Dropbear Ssh

References · 13

• https://cve.org/CVERecord?id=CVE-2016-7409 · Security Note
• https://ubuntu.com/security/CVE-2016-7409 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-7409 · Vendor Advisory
• https://secure.ucc.asn.au/hg/dropbear/rev/6a14b1f6dc04 · Patch
• http://openwall.com/lists/oss-security/2016/09/15/2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2016-7409 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-7409 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-7409 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7409 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1376353 · Note
• http://openwall.com/lists/oss-security/2016/09/14/7 · Note
• https://security.gentoo.org/glsa/201702-23 · Patch, Vendor Advisory
• http://securityfocus.com/bid/92973 · Note