Bug 1542261 (CVE-2018-6540) - CVE-2018-6540 zziplib: bus error in zzip_disk_findfirst function in zzip/mmapped.c
Summary: CVE-2018-6540 zziplib: bus error in zzip_disk_findfirst function in zzip/mmap...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2018-6540
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1542262 1548363
Blocks: 1542260
TreeView+ depends on / blocked
 
Reported: 2018-02-05 23:43 UTC by Laura Pardo
Modified: 2019-09-29 14:31 UTC (History)
2 users (show)

Fixed In Version: zziplib 0.13.68
Clone Of:
Environment:
Last Closed: 2019-06-08 03:39:21 UTC
Embargoed:

Attachments (Terms of Use)

Description Laura Pardo 2018-02-05 23:43:50 UTC 
A flaw was found in ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

References:
https://github.com/gdraheim/zziplib/issues/15

Patch:
https://github.com/gdraheim/zziplib/commit/72ec933663f738d8e166979aa7fd5590b2104a07
Comment 1 Laura Pardo 2018-02-05 23:44:24 UTC 
Created zziplib tracking bugs for this issue:

Affects: fedora-all [bug 1542262]
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