Bug 1979369 (CVE-2016-2225) - CVE-2016-2225 uclibc: possible denial of service via specially crafted packet that will make the parser terminate early
Summary: CVE-2016-2225 uclibc: possible denial of service via specially crafted packet...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2016-2225
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: 1979370
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-07-05 18:25 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-07-06 16:40 UTC (History)
3 users (show)

Fixed In Version:
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Last Closed: 2021-07-06 16:40:33 UTC


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Description Guilherme de Almeida Suckevicz 2021-07-05 18:25:02 UTC
The __read_etc_hosts_r 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 a crafted packet.

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

Upstream patch:
https://repo.or.cz/uclibc-ng.git/commit/6932f2282ba0578d6ca2f21eead920d6b78bc93c

Comment 1 Guilherme de Almeida Suckevicz 2021-07-05 18:25:23 UTC
Created uClibc tracking bugs for this issue:

Affects: fedora-all [bug 1979370]

Comment 2 Product Security DevOps Team 2021-07-06 16:40:33 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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