UBUNTU-CVE-2015-6564

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Source
https://ubuntu.com/security/CVE-2015-6564
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-6564.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2015-6564
Upstream
Related
Published
2015-08-24T01:59:00Z
Modified
2025-09-08T16:43:27Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

Use-after-free vulnerability in the mmanswerpamfreectx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITORREQPAMFREECTX request.

References

Affected packages

Ubuntu:14.04:LTS / openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:6.6p1-2ubuntu2.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:6.6p1-2ubuntu2.2

Affected versions

1:6.*

1:6.2p2-6
1:6.2p2-6ubuntu1
1:6.4p1-1
1:6.4p1-2
1:6.5p1-1
1:6.5p1-2
1:6.5p1-3
1:6.5p1-4
1:6.5p1-6
1:6.6p1-1
1:6.6p1-2
1:6.6p1-2ubuntu1
1:6.6p1-2ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:6.6p1-2ubuntu2.2",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.2",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.2",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.2",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.2",
            "binary_name": "ssh-askpass-gnome"
        },
        {
            "binary_version": "1:6.6p1-2ubuntu2.2",
            "binary_name": "ssh-krb5"
        }
    ]
}