SB2017070405 - Arch Linux update for systemd
Published: July 4, 2017
Security Bulletin ID
SB2017070405
CSH Severity
Medium
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) Null pointer dereference (CVE-ID: CVE-2017-9217)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to null pointer dereference in dns_packet_is_reply_for function in resolved-dns-packet.c file. A remote attacker can supply a specially crafted DNS response with an empty question section to cause the daemon to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.