Signature Detail
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Short Name |
DNS:BIND-EDNS-DOS |
|---|---|
Severity |
Major |
Recommended |
Yes |
Recommended Action |
Drop |
Category |
DNS |
Keywords |
ISC BIND EDNS0 Key-Tag Memory Leak Denial of Service |
Release Date |
2019/03/13 |
Update Number |
3150 |
Supported Platforms |
idp-4.1.110110609+, isg-3.4.139899+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
DNS: ISC BIND EDNS0 Key-Tag Memory Leak Denial of Service
This signature detects attempts to exploit a known vulnerability against ISC BIND Server. A successful attack can lead to Denial of Service.
Extended Description
A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.
Affected Products
- Isc bind 9.10.7
- Isc bind 9.10.8
- Isc bind 9.11.3
- Isc bind 9.11.4
- Isc bind 9.11.5
- Isc bind 9.12.0
- Isc bind 9.12.1
- Isc bind 9.12.2
- Isc bind 9.12.3
- Isc bind 9.13.0
- Isc bind 9.13.1
- Isc bind 9.13.2
- Isc bind 9.13.3
- Isc bind 9.13.4
- Isc bind 9.13.5
References
- CVE: CVE-2018-5744