Vulnerability identifier: #VU13181
Vulnerability risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Prosody
Server applications /
Mail servers
Vendor: Prosody
Description
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.
The weakness exists due to insufficient validation of client-provided parameters during XMPP stream restarts. A remote attacker can supply specially crafted parameters, override the realm associated with the session, bypass security restrictions and impersonate a legitimate user.
Mitigation
The vulnerability is addressed in the following versions: 0.9.14, 0.10.2.
Vulnerable software versions
Prosody: 0.9.10 - 0.10.1
External links
http://prosody.im/security/advisory_20180531/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.