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2.1 KiB
CVE-2017-3135
%20or%20an%20attempt%20to%20read%20through%20a%20NULL%20pointer.%20%20On%20most%20platforms%20a%20NULL%20pointer%20read%20leads%20to%20a%20segmentation%20fault%20(SEGFAULT)%2C%20which%20causes%20the%20process%20to%20be%20terminated.%0A%0AOnly%20servers%20which%20are%20configured%20to%20simultaneously%20use%20both%20Response%20Policy%20Zones%20(RPZ)%20and%20DNS64%20(a%20method%20for%20synthesizing%20AAAA%20records%20from%20A%20records)%20can%20be%20affected%20by%20this%20vulnerability.&color=brighgreen)
Description
Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1.
POC
Reference
No PoCs from references.
Github
- https://github.com/ALTinners/bind9
- https://github.com/AMD1212/check_debsecan
- https://github.com/ARPSyndicate/cvemon
- https://github.com/AndrewLipscomb/bind9
- https://github.com/balabit-deps/balabit-os-7-bind9
- https://github.com/balabit-deps/balabit-os-8-bind9-libs
- https://github.com/balabit-deps/balabit-os-9-bind9-libs
- https://github.com/pexip/os-bind9
- https://github.com/pexip/os-bind9-libs
- https://github.com/psmedley/bind-os2