National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-4548 Detail

Current Description

The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: N/A
NVD score not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00017.html
http://marc.info/?l=bugtraq&m=141576985122836&w=2
http://openwall.com/lists/oss-security/2013/11/08/3
http://www.openssh.com/txt/gcmrekey.adv Vendor Advisory
http://www.ubuntu.com/usn/USN-2014-1

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:openbsd:openssh:6.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openbsd:openssh:6.3:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-4548
NVD Published Date:
11/08/2013
NVD Last Modified:
10/09/2019