Description
The DNS::GetResult function in dns.cpp in InspIRCd before 2.0.19 allows remote DNS servers to cause a denial of service (netsplit) via an invalid character in a PTR response, as demonstrated by a "\032" (whitespace) character in a hostname.
Metrics
CVSS 3.0 8.6/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.debian.org/security/2016/dsa-3527Vendor Advisory
- http://www.inspircd.org/2015/04/16/v2019-released.htmlVendor Advisory
- https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559Exploit
- https://github.com/inspircd/inspircd/issues/1033Exploit
- https://security.gentoo.org/glsa/201512-13
- http://www.debian.org/security/2016/dsa-3527Vendor Advisory
- http://www.inspircd.org/2015/04/16/v2019-released.htmlVendor Advisory
- https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559Exploit
- https://github.com/inspircd/inspircd/issues/1033Exploit
- https://security.gentoo.org/glsa/201512-13
Timeline
- Published
- Apr 12, 2016
- Last modified
- Jun 17, 2026
- NVD status
- Modified