Bug 1979366 (CVE-2016-2224) - CVE-2016-2224 uclibc: possible denial of service via a specially crafted DNS reply that could cause an infinite loop
Summary: CVE-2016-2224 uclibc: possible denial of service via a specially crafted DNS ...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2016-2224
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: 1979367
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-07-05 18:21 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-07-06 16:40 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-07-06 16:40:30 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-07-05 18:21:39 UTC 
The __decode_dotted function in libc/inet/resolv.c in uClibc-ng before 1.0.12 allows remote DNS servers to cause a denial of service (infinite loop) via vectors involving compressed items in a reply.

Reference:
https://www.openwall.com/lists/oss-security/2016/02/05/2

Upstream patch:
https://repo.or.cz/uclibc-ng.git/commit/d9c3a16dcab57d6b56225b9a67e9119cc9e2e4ac
Comment 1 Guilherme de Almeida Suckevicz 2021-07-05 18:21:55 UTC 
Created uClibc tracking bugs for this issue:

Affects: fedora-all [bug 1979367]
Comment 2 Product Security DevOps Team 2021-07-06 16:40:30 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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