SB2014011507 - Buffer overflow in bind (Alpine package)
Published: January 15, 2014
Security Bulletin ID
SB2014011507
Severity
Low
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) Buffer overflow (CVE-ID: CVE-2014-0591)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The query_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV before 9.6-ESV-R10-P2, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a crafted DNS query to an authoritative nameserver that uses the NSEC3 signing feature.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=ee78239969c5f8cd04ada611b76ac64eee6c3e9c
- https://git.alpinelinux.org/aports/commit/?id=cca76935cde45957a76f70701e381379efd0813b
- https://git.alpinelinux.org/aports/commit/?id=605940ad82635dced8c63ab3069aca84a858795c
- https://git.alpinelinux.org/aports/commit/?id=b54d719755e8d7368fcce3f0d0ae3597ae5fe78b