Bugzilla will be upgraded to version 5.0. The upgrade date is tentatively scheduled for 2 December 2018, pending final testing and feedback.
First Last Prev Next    This bug is not in your last search results.
Bug 1554672 - (CVE-2018-7726) CVE-2018-7726 zziplib: Bus error in zip.c:__zzip_parse_root_directory() cause crash via crafted zip file
CVE-2018-7726 zziplib: Bus error in zip.c:__zzip_parse_root_directory() cause...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
: ---
: ---
Assigned To: Red Hat Product Security
impact=low,public=20180307,reported=2...
: Security
: 1545813 (view as bug list)
Depends On: 1555082 1554673 1558623
Blocks: 1554666
  Show dependency tree / graph
 
Reported: 2018-03-13 02:47 EDT by Sam Fowler
Modified: 2018-10-30 03:52 EDT (History)
3 users (show)

See Also:
Fixed In Version: zziplib 0.13.69
Doc Type: If docs needed, set a value
Doc Text:
An improper input validation was found in function __zzip_fetch_disk_trailer of ZZIPlib, up to 0.13.68, that could lead to a crash in __zzip_parse_root_directory function of zzip/zip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.
Story Points: ---
Clone Of:
Environment:
Last Closed:
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Add an attachment (proposed patch, testcase, etc.)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:3229 None None None 2018-10-30 03:52 EDT

  None (edit)
Description Sam Fowler 2018-03-13 02:47:34 EDT 
ZZIPlib through version 0.13.68 does not correctly validate input values used in
zip.c:__zzip_parse_root_directory() as parameters to mmap. Remote attackers
could leverage this vulnerability to cause a Denial of Service via a crafted
zip file.


Upstream Issue:
https://github.com/gdraheim/zziplib/issues/41
https://github.com/gdraheim/zziplib/issues/27

Upstream patches:
https://github.com/gdraheim/zziplib/commit/8f48323c181e20b7e527b8be7229d6eb1148ec5f
https://github.com/gdraheim/zziplib/commit/19c9e4dc6c5cf92a38d0d23dbccac6993f9c41be
https://github.com/gdraheim/zziplib/commit/feae4da1a5c92100c44ebfcbaaa895959cc0829b
Comment 1 Sam Fowler 2018-03-13 02:47:54 EDT 
Created zziplib tracking bugs for this issue:

Affects: fedora-all [bug 1554673]
Comment 5 Riccardo Schirone 2018-03-21 04:21:48 EDT 
*** Bug 1545813 has been marked as a duplicate of this bug. ***
Comment 6 errata-xmlrpc 2018-10-30 03:51:59 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3229 https://access.redhat.com/errata/RHSA-2018:3229
Note You need to log in before you can comment on or make changes to this bug.
First Last Prev Next    This bug is not in your last search results.