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trust-dns-server additions processing overflows stack

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Benjamin Fry
2020-01-06 13:12:19 -08:00
parent 4a7d05d5d8
commit 1af3b6eea6
1 changed files with 25 additions and 0 deletions
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crates/trust-dns-server/RUSTSEC-0000-0000.toml Normal file
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[advisory]
id = "RUSTSEC-0000-0000"
package = "trust-dns-server"
date = "2020-01-06"
title = "Stack overflow when resolving addional records from MX or SRV null targets"
description = """
There's a stack overflow leading to a crash and potential DOS when processing
additional records for return of MX or SRV record types from the server.
This is only possible when a zone is configured with a null target for MX or SRV records, i.e. '.'.
Example effected zone record:
```text
no-service 86400 IN MX 0 .
```
Prior to 0.16.0 the additional record processing was not supported by trust-dns-server. There
Are no known issues with upgrading from 0.16 or 0.17 to 0.18.1. The remidy should be to upgrade to
0.18.1. If unable to do so, MX, SRV or other record types with a target to the null type, should be avoided.
"""
patched_versions = [">= 0.18.1"]
unaffected_versions = ["< 0.16.0"]
url = "https://github.com/bluejekyll/trust-dns/issues/980"
categories = ["denial-of-service"]
keywords = [ "stack-overflow", "crash" ]