2021-33900 | Apache Directory Studio SASL Authentication missing encryption
|CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
|Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
|CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
A vulnerability, which was classified as problematic, was found in Apache Directory Studio up to 2.0.0.v20210213-M16. This affects some unknown processing of the component SASL Authentication. The manipulation with an unknown input leads to a weak encryption vulnerability. CWE is classifying the issue as CWE-311. This is going to have an impact on confidentiality. The summary by CVE is:
While investigating DIRSTUDIO-1219 it was noticed that configured StartTLS encryption was not applied when any SASL authentication mechanism (DIGEST-MD5, GSSAPI) was used. While investigating DIRSTUDIO-1220 it was noticed that any configured SASL confidentiality layer was not applied. This issue affects Apache Directory Studio version 2.0.0.v20210213-M16 and prior versions.
The weakness was released 07/26/2021. The advisory is shared at lists.apache.org. This vulnerability is uniquely identified as CVE-2021-33900 since 06/07/2021. The exploitability is told to be difficult. Access to the local network is required for this attack to succeed. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/05/2021). MITRE ATT&CK project uses the attack technique T1600 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.1
Status: Not defined
0-Day Time: 🔒
Upgrade your account now!