CVE Vulnerabilities

CVE-2021-33900

Cleartext Transmission of Sensitive Information

Published: Jul 26, 2021 | Modified: Oct 27, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Affected Software

Name Vendor Start Version End Version
Directory_studio Apache * 1.5.3 (including)
Directory_studio Apache 2.0.0-milestone1 (including) 2.0.0-milestone1 (including)
Directory_studio Apache 2.0.0-milestone10 (including) 2.0.0-milestone10 (including)
Directory_studio Apache 2.0.0-milestone11 (including) 2.0.0-milestone11 (including)
Directory_studio Apache 2.0.0-milestone12 (including) 2.0.0-milestone12 (including)
Directory_studio Apache 2.0.0-milestone13 (including) 2.0.0-milestone13 (including)
Directory_studio Apache 2.0.0-milestone14 (including) 2.0.0-milestone14 (including)
Directory_studio Apache 2.0.0-milestone15 (including) 2.0.0-milestone15 (including)
Directory_studio Apache 2.0.0-milestone16 (including) 2.0.0-milestone16 (including)
Directory_studio Apache 2.0.0-milestone2 (including) 2.0.0-milestone2 (including)
Directory_studio Apache 2.0.0-milestone3 (including) 2.0.0-milestone3 (including)
Directory_studio Apache 2.0.0-milestone4 (including) 2.0.0-milestone4 (including)
Directory_studio Apache 2.0.0-milestone5 (including) 2.0.0-milestone5 (including)
Directory_studio Apache 2.0.0-milestone6 (including) 2.0.0-milestone6 (including)
Directory_studio Apache 2.0.0-milestone7 (including) 2.0.0-milestone7 (including)
Directory_studio Apache 2.0.0-milestone8 (including) 2.0.0-milestone8 (including)
Directory_studio Apache 2.0.0-milestone9 (including) 2.0.0-milestone9 (including)

Extended Description

Many communication channels can be “sniffed” (monitored) by adversaries during data transmission. For example, in networking, packets can traverse many intermediary nodes from the source to the destination, whether across the internet, an internal network, the cloud, etc. Some actors might have privileged access to a network interface or any link along the channel, such as a router, but they might not be authorized to collect the underlying data. As a result, network traffic could be sniffed by adversaries, spilling security-critical data. Applicable communication channels are not limited to software products. Applicable channels include hardware-specific technologies such as internal hardware networks and external debug channels, supporting remote JTAG debugging. When mitigations are not applied to combat adversaries within the product’s threat model, this weakness significantly lowers the difficulty of exploitation by such adversaries. When full communications are recorded or logged, such as with a packet dump, an adversary could attempt to obtain the dump long after the transmission has occurred and try to “sniff” the cleartext from the recorded communications in the dump itself.

Potential Mitigations

References