SB2016011209 - Input validation error in Prosody
Published: January 12, 2016 Updated: August 9, 2020
Security Bulletin ID
SB2016011209
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2016-1232)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoof servers via a brute force attack. <a href="https://cwe.mitre.org/data/definitions/338.html">CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)</a>
Remediation
Install update from vendor's website.
References
- http://blog.prosody.im/prosody-0-9-9-security-release/
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html
- http://www.debian.org/security/2016/dsa-3439
- http://www.openwall.com/lists/oss-security/2016/01/08/5
- https://prosody.im/issues/issue/571
- https://prosody.im/security/advisory_20160108-2/