SB2016031013 - Input validation error in bind (Alpine package)
Published: March 10, 2016
Security Bulletin ID
SB2016031013
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) Input validation error (CVE-ID: CVE-2016-2088)
The vulnerability allows a remote non-authenticated attacker to a crash the entire system.
resolver.c in named in ISC BIND 9.10.x before 9.10.3-P4, when DNS cookies are enabled, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed packet with more than one cookie option.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=cc2653729b75ff9137c3a4f50e2984a8d807cf41
- https://git.alpinelinux.org/aports/commit/?id=8b571b68d5ba963a333609d0bf9fb345afa09238
- https://git.alpinelinux.org/aports/commit/?id=f9aa3b90d2882bdc25d0159936a40252bef28990
- https://git.alpinelinux.org/aports/commit/?id=042135a07668e262a438da14a580aa147d7fb7d3