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Bug 1538763 - (CVE-2017-15133) CVE-2017-15133 miekg-dns: Denial of service via TCP serving code
CVE-2017-15133 miekg-dns: Denial of service via TCP serving code
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,reported=20180111,sou...
: Security
Depends On: 1539695 1539696
Blocks: 1538765
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Reported: 2018-01-25 13:54 EST by Pedro Sampaio
Modified: 2018-06-29 18:31 EDT (History)
9 users (show)

See Also:
Fixed In Version: miekg-dns 1.0.4
Doc Type: If docs needed, set a value
Doc Text:
A denial of service flaw was found in miekg-dns before 1.0.4. A remote attacker could use carefully timed TCP packets to block the DNS server from accepting new connections.
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Description Pedro Sampaio 2018-01-25 13:54:06 EST 
A flaw was found in miekg-dns before 1.0.4. A flaw in the TCP serving code may completely block the DNS server from answering any TCP queries with a
very small number of open connections.

Upstream bug:

https://github.com/miekg/dns/issues/627

Upstream patch:

https://github.com/miekg/dns/pull/631
Comment 1 Pedro Sampaio 2018-01-25 13:54:12 EST 
Acknowledgments:

Name: the miekg-dns project
Comment 2 Pedro Sampaio 2018-01-29 08:15:55 EST 
Created golang-github-miekg-dns tracking bugs for this issue:

Affects: epel-6 [bug 1539696]
Affects: fedora-all [bug 1539695]
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