SB2018082303 - Information disclosure in Dropbear
Published: August 23, 2018
Security Bulletin ID
SB2018082303
Severity
Low
Patch available
NO
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) Information disclosure (CVE-ID: CVE-2018-15599)
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists in the recv_msg_userauth_request function, as defined in the svr-auth.c source code file due to the way fields in SSH_MSG_USERAUTH messages are handled based on username validity. A remote attacker can send an authentication request packet and access sensitive information, such as valid usernames.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.