Multiple vulnerabilities in Drachtio Server



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-45473
CVE-2022-45474
CWE-ID CWE-276
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Drachtio Server
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor drachtio

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Incorrect default permissions

EUVDB-ID: #VU73156

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-45473

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to incorrect default permissions set for the "/var/log/drachtio" file. A local user with access to the system can view contents of the server log file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drachtio Server: 0.2.0 - 0.8.17

CPE2.3 External links

https://github.com/drachtio/drachtio-server/issues/241
https://github.com/drachtio/drachtio-server/commit/f791a9313c58a911ce09f465f4bba594243b29ec


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Use-after-free

EUVDB-ID: #VU73155

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-45474

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the event_cb() function in request-handler.cpp. A remote attacker can send a specially crafted request to the server, trigger a use-after-free error and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drachtio Server: 0.0.4 rc2 - 0.8.17

CPE2.3 External links

https://github.com/drachtio/drachtio-server/issues/240
https://github.com/drachtio/drachtio-server/commit/860f025468feb31c43227153d8fb3f34210a522e


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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