SB2017080870 - Input validation error in PowerDNS Recursor
Published: August 8, 2017 Updated: June 21, 2025
Security Bulletin ID
SB2017080870
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2008-3217)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
PowerDNS Recursor before 3.1.6 does not always use the strongest random number generator for source port selection, which makes it easier for remote attack vectors to conduct DNS cache poisoning. NOTE: this is related to incomplete integration of security improvements associated with addressing CVE-2008-1637.
Remediation
Install update from vendor's website.
References
- http://doc.powerdns.com/changelog.html#CHANGELOG-RECURSOR-3-1-6
- http://secunia.com/advisories/31311
- http://wiki.powerdns.com/cgi-bin/trac.fcgi/changeset/1179
- http://www.openwall.com/lists/oss-security/2008/07/09/10
- http://www.openwall.com/lists/oss-security/2008/07/10/6
- http://www.openwall.com/lists/oss-security/2008/07/16/12
- http://www.securityfocus.com/bid/30782
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43925
- https://www.redhat.com/archives/fedora-package-announce/2008-July/msg01353.html