SB2017102101 - Arch Linux update for musl
Published: October 21, 2017 Updated: October 21, 2017
Security Bulletin ID
SB2017102101
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2017-15650)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary when processing DNS replies in dns_parse_callback(0 function in network/lookup_name.c. A remote attacker can send an unexpected number by sending A records in a reply to an AAAA query, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.