Bug 1316554 - (CVE-2016-2147) CVE-2016-2147 busybox: out of bounds write (heap) due to integer underflow in udhcpc
CVE-2016-2147 busybox: out of bounds write (heap) due to integer underflow in...
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
low Severity low
: ---
: ---
Assigned To: Red Hat Product Security
: Security
Depends On: 1316558
Blocks: 1316559
  Show dependency treegraph
Reported: 2016-03-10 08:17 EST by Martin Prpič
Modified: 2016-03-11 04:25 EST (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2016-03-11 04:25:16 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

  None (edit)
Description Martin Prpič 2016-03-10 08:17:20 EST
An out of bound write was discovered in udhcpc when parsing the Domain Search option. An attacker could send a maliciously crafted packet answering a DHCP request triggering a denial of service on the client.
Comment 1 Martin Prpič 2016-03-10 08:17:29 EST

Name: Nico Golde (Qualcomm Product Security Initiative)
Comment 2 Martin Prpič 2016-03-10 08:21:08 EST
Created busybox tracking bugs for this issue:

Affects: fedora-all [bug 1316558]
Comment 3 Cedric Buissart 2016-03-11 04:04:13 EST
Upstream fix :
 - udhcp: fix a SEGV on malformed RFC1035-encoded domain name

and a minor regression :
 - udhcpc: fix a warning in debug code

Note You need to log in before you can comment on or make changes to this bug.