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 Subscribe |
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
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-45473
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
Vulnerable software versionsDrachtio Server: 0.2.0 - 0.8.17 rc4
External linkshttp://github.com/drachtio/drachtio-server/issues/241
http://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
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-45474
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDrachtio Server: 0.0.4 rc2 - 0.8.17 rc4
External linkshttp://github.com/drachtio/drachtio-server/issues/240
http://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.
