CVE-2013-4548
Medium
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.
SeverityMedium
CVSS6.0
Exploit probability—
ProductOpenbsd Openssh
PublishedNov 8, 2013
First seenNov 8, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openbsd openssh | 6.2, 6.3 | — |
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