Bug 1654232 (CVE-2018-16855) - CVE-2018-16855 pdns-recursor: Out-of-bounds read with crafted DNS queries
Summary: CVE-2018-16855 pdns-recursor: Out-of-bounds read with crafted DNS queries
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-16855
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1654233 1654234
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-11-28 10:09 UTC by Andrej Nemec
Modified: 2021-02-16 22:43 UTC (History)
2 users (show)

Fixed In Version: pdns-recursor 4.1.8
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Clone Of:
Environment:
Last Closed: 2019-06-10 10:43:21 UTC
Embargoed:

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Description Andrej Nemec 2018-11-28 10:09:22 UTC 
 An issue has been found in PowerDNS Recursor where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.

External References:

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html
Comment 1 Andrej Nemec 2018-11-28 10:09:37 UTC 
Created pdns-recursor tracking bugs for this issue:

Affects: epel-all [bug 1654233]
Comment 2 Andrej Nemec 2018-11-28 10:10:16 UTC 
Created pdns-recursor tracking bugs for this issue:

Affects: fedora-all [bug 1654234]
Comment 3 Product Security DevOps Team 2019-06-10 10:43:21 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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