Fedora EPEL 9 update for python-asyncssh



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-46445
CVE-2023-46446
CWE-ID CWE-345
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

python-asyncssh
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Insufficient verification of data authenticity

EUVDB-ID: #VU84954

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46445

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to missing verification of data authenticity. A remote attacker can control the extension info message (RFC 8308) via a man-in-the-middle attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

python-asyncssh: before 2.13.2-4.el9

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-a7417a00b4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Insufficient verification of data authenticity

EUVDB-ID: #VU84953

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46446

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote user to perform MitM attack.

The vulnerability exists due to missing verification of data authenticity. A remote user can control the remote end of an SSH client session via packet injection/removal and shell emulation.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 9

python-asyncssh: before 2.13.2-4.el9

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-a7417a00b4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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