SB2019070309 - Stack-based buffer overflow in NSD
Published: July 3, 2019 Updated: September 10, 2019
Security Bulletin ID
SB2019070309
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2019-13207)
The vulnerability allows a remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on a targeted system.
The vulnerability exists due to a boundary error in the "dname_concatenate()" function in "dname.c" file. A remote unauthenticated attacker can send a specially crafted request, trigger stack-based buffer overflow and crash the target application or execute arbitrary code on the target system.
Remediation
Install update from vendor's website.