SB2016072503 - Denial of service in bind (Alpine package)
Published: July 25, 2016
Security Bulletin ID
SB2016072503
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 security vulnerability.
1) Denial of service (CVE-ID: CVE-2016-2775)
The vulnerability allows a remote attacker to cause the target service to crash.The vulnerability exists due to boundary error in BIND. A remote unauthenticated attacker can cause the target BIND server to crash by sending a specially crafted request with a query name and a search list entry that exceeds the maximum allowable length.
Systems using the lightweight resolution protocol via either the 'lwresd' utility or via named using the "lwres" statement in 'named.conf' are affected.
Successful exploitation of this vulnerability may result in denial of service.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=bb1a4b29af1f9310c9bd4e2f626bfc1b56460d01
- https://git.alpinelinux.org/aports/commit/?id=30f5720bb217f0bcfd15be8a9dcad04a5654a1c6
- https://git.alpinelinux.org/aports/commit/?id=8e686d990b5bbc1aa89b56c79a5554820d3a226f
- https://git.alpinelinux.org/aports/commit/?id=0eaed553d50ecb90211565f10b5dab3c050075fc