CVE-2023-6918

Source
https://nvd.nist.gov/vuln/detail/CVE-2023-6918
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6918.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-6918
Related
Published
2023-12-19T00:15:08Z
Modified
2024-09-18T03:26:22.333619Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.

References

Affected packages

Debian:11 / libssh

Package

Name
libssh
Purl
pkg:deb/debian/libssh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.8-0+deb11u1

Affected versions

0.*

0.9.5-1
0.9.5-1+deb11u1
0.9.6-1
0.9.6-2
0.9.7-0+deb11u1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / libssh

Package

Name
libssh
Purl
pkg:deb/debian/libssh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.10.6-0+deb12u1

Affected versions

0.*

0.10.5-2
0.10.5-3
0.10.5-3+hurd.1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / libssh

Package

Name
libssh
Purl
pkg:deb/debian/libssh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.10.6-1

Affected versions

0.*

0.10.5-2
0.10.5-3
0.10.5-3+hurd.1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / gitlab.com/libssh/libssh-mirror

Affected ranges

Type
GIT
Repo
https://gitlab.com/libssh/libssh-mirror
Events

Affected versions

libssh-0.*

libssh-0.9.0
libssh-0.9.1
libssh-0.9.2
libssh-0.9.3
libssh-0.9.4
libssh-0.9.5
libssh-0.9.6
libssh-0.9.7