USN-4327-1

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Source
https://ubuntu.com/security/notices/USN-4327-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4327-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4327-1
Related
Published
2020-04-09T12:11:24.976705Z
Modified
2020-04-09T12:11:24.976705Z
Summary
libssh vulnerability
Details

Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:18.04:LTS / libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh?arch=src?distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8.0~20170825.94fa1e38-1ubuntu0.6

Affected versions

0.*

0.7.5-1
0.8.0~20170825.94fa1e38-1
0.8.0~20170825.94fa1e38-1build1
0.8.0~20170825.94fa1e38-1ubuntu0.1
0.8.0~20170825.94fa1e38-1ubuntu0.2
0.8.0~20170825.94fa1e38-1ubuntu0.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-4-dbgsym"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-doc"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-gcrypt-4-dbgsym"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.6",
            "binary_name": "libssh-gcrypt-dev"
        }
    ]
}