Vulnerabilities > CVE-2023-6802 - Information Exposure Through Log Files vulnerability in Github Enterprise Server
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
An insertion of sensitive information into the log file in the audit log in GitHub Enterprise Server was identified that could allow an attacker to gain access to the management console. To exploit this, an attacker would need access to the log files for the GitHub Enterprise Server appliance, a backup archive created with GitHub Enterprise Server Backup Utilities, or a service which received streamed logs. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Fuzzing and observing application log data/errors for application mapping An attacker sends random, malformed, or otherwise unexpected messages to a target application and observes the application's log or error messages returned. Fuzzing techniques involve sending random or malformed messages to a target and monitoring the target's response. The attacker does not initially know how a target will respond to individual messages but by attempting a large number of message variants they may find a variant that trigger's desired behavior. In this attack, the purpose of the fuzzing is to observe the application's log and error messages, although fuzzing a target can also sometimes cause the target to enter an unstable state, causing a crash. By observing logs and error messages, the attacker can learn details about the configuration of the target application and might be able to cause the target to disclose sensitive information.
References
- https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4
- https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4
- https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1
- https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1
- https://docs.github.com/en/[email protected]/admin/release-notes#3.8.12
- https://docs.github.com/en/[email protected]/admin/release-notes#3.8.12
- https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7
- https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7